{"title":"Nudibranchs - Best Selection Worldwide - Fully Quarantined","description":"","products":[{"product_id":"berghia-qm-labs","title":"Berghia QM Labs","description":"\u003cp\u003eThe Invertebrate Berghia Nudi (Berghia sp.) is a peaceful species that is reef-safe, admired for its delicate size, soft-bodied form, and unique role as a natural predator of nuisance Aiptasia anemones.\u003c\/p\u003e\n\u003cp\u003eMales and females are not distinctly different, as Berghia are hermaphroditic, meaning each individual has both male and female reproductive organs. Juveniles are typically smaller, more translucent, and less vividly colored compared to adults.\u003c\/p\u003e\n\u003cp\u003eThey reach about 1–1.5 inches and should be housed in aquariums of at least 10 gallons. Provide live rock and hiding spots where they can hunt and move around safely. Stable water parameters are essential (salinity ~1.020–1.025, temp ~72–79°F, pH ~8.1–8.4).\u003c\/p\u003e\n\u003cp\u003eTheir diet should consist exclusively of Aiptasia anemones, which they consume with efficiency, making them a highly specialized biological control method for reef tanks. Because of this exclusive diet, they often do not survive long once the Aiptasia population is eliminated, unless transferred to another tank with a continued food supply.With proper care and a steady food source, this invertebrate makes a standout and functional addition to the aquarium, helping maintain a healthy reef environment.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609254736057,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_c549d4ef-42f0-476a-99f2-9c7d2c0c3e7b.png?v=1787041280"},{"product_id":"blue-spotted-sea-hare","title":"Blue Spotted Sea Hare","description":"\u003cp\u003eThe Blue Spotted Sea Hare (Bursatella leachii) is a peaceful species that is reef-safe, admired for its striking blue spots, mottled body patterns, and unique sea hare appearance. Unlike many marine invertebrates, it is sought after for its natural algae-grazing ability, making it both beautiful and functional in a reef system.\u003c\/p\u003e\n\u003cp\u003eMales typically resemble females, as this species is a simultaneous hermaphrodite with no distinct external sexual dimorphism. Juveniles are generally smaller and lighter in coloration, developing more vivid spotting as they mature.\u003c\/p\u003e\n\u003cp\u003eThey reach about 12 inches in length and should be housed in aquariums of at least 75 gallons. Provide a sandy substrate with ample live rock and hiding spots, along with stable water parameters (salinity ~1.020–1.025, temp ~72–79°F, pH ~8.1–8.4). A secure lid is essential, as sea hares may crawl or climb out of tanks if stressed.\u003c\/p\u003e\n\u003cp\u003eDiet should consist primarily of filamentous algae, hair algae, and other natural microalgae sources. Supplemental feeding with dried seaweed (nori) or specialized herbivore preparations can be offered if natural algae growth is insufficient. With proper care, this fascinating invertebrate makes a standout addition to the aquarium, helping maintain algae control while adding unique visual interest.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609255129273,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_d26b9c70-bd98-44cc-9157-3a2454f5dbf9.jpg?v=1787041282"},{"product_id":"green-sea-hare","title":"Green Sea Hare","description":"\u003cp\u003eThe Green Sea Hare (Dolabrifera sp.) is a peaceful species that is reef-safe with caution, admired for its green mottled coloration, unique body shape, and algae-grazing abilities. Males typically resemble females in both size and appearance, while juveniles are smaller and more delicate, often more vulnerable to predators and environmental changes.\u003c\/p\u003e\n\u003cp\u003eThey reach about 3–5 inches in adulthood and should be housed in aquariums of at least 30 gallons. Provide a sandy substrate and ample live rock for grazing, along with hiding spots to reduce stress. Stable water parameters are essential (salinity ~1.020–1.025, temp ~72–79°F, pH ~8.1–8.4), and a secure lid is recommended since many sea hares are capable of climbing out of the tank.\u003c\/p\u003e\n\u003cp\u003eDiet should consist primarily of natural algae growth on live rock and substrate, but they may also accept supplemental dried seaweed (nori) and algae-based foods. With proper care and an established tank rich in algae, the Green Sea Hare makes a unique and beneficial addition to the aquarium, helping to control nuisance algae growth.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609255456953,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_8d7be532-7b0e-4ef2-82af-fb97ece5cd47.png?v=1787041283"},{"product_id":"blue-velvet-nudibranch","title":"Blue Velvet Nudibranch","description":"\u003cp\u003eThe Blue Velvet Nudibranch (Chelidonura varians) is a peaceful species that is reef-safe with caution, admired for its striking deep-blue body accented with vivid electric-blue and black patterns. Its slender, ribbon-like form and gliding movements make it one of the most captivating invertebrates in the aquarium hobby.\u003c\/p\u003e\n\u003cp\u003eMales typically display the same brilliant coloration as females, with little to no sexual dimorphism, while juveniles are smaller and more delicate but carry the same vibrant patterning. They reach about 2 inches in length and should be housed in aquariums of at least 20 gallons.\u003c\/p\u003e\n\u003cp\u003eProvide a fine sandbed and ample live rock for grazing, as well as stable water parameters (salinity ~1.020–1.025, temp ~72–79°F, pH ~8.1–8.4). A secure lid is necessary, since they may wander close to the waterline.\u003c\/p\u003e\n\u003cp\u003eDiet should consist primarily of flatworms, which are their natural and specialized food source. Unfortunately, they rarely accept alternative foods such as mysis, brine, or pellets, making them difficult to sustain in captivity once flatworm populations are depleted.With proper care and food availability, this nudibranch makes a striking, though challenging, addition to the aquarium, best suited for experienced reef keepers.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609255489721,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_b31ed824-1e0d-46bd-b02e-2d8e0e61d735.png?v=1787041284"},{"product_id":"colored-fancy-nudibranch","title":"Colored Fancy Nudibranch","description":"\u003cp\u003eThe Colored Fancy Nudibranch (Glossodoris sp.) is a peaceful species that is reef-safe with caution, admired for its striking coloration, flowing mantle edges, and unique body patterns. Males typically show similar coloration to females, as these invertebrates are hermaphroditic and do not display distinct sexual dimorphism. Juveniles are often smaller with less vivid coloration, which intensifies as they mature.\u003c\/p\u003e\n\u003cp\u003eThey reach about 2–4 inches in length and should be housed in aquariums of at least 20 gallons. Provide ample live rock for grazing and exploration, as well as a soft sandbed for resting. Stable water parameters are essential: salinity ~1.020–1.025, temperature ~72–79°F, and pH ~8.1–8.4. A secure lid is recommended since nudibranchs are known to wander and may climb out of the tank.\u003c\/p\u003e\n\u003cp\u003eDiet should consist of species-specific sponges and sometimes sessile invertebrates, as most Glossodoris nudibranchs are obligate sponge feeders. They typically do not accept prepared foods such as mysis, brine, or pellets, making long-term survival in captivity challenging unless their natural diet is available. With proper conditions and specialized care, this nudibranch makes a standout, though delicate, addition to advanced reef aquariums.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609255555257,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_6ee97622-92f0-44c5-a771-4a52ddf8b22d.png?v=1787041284"},{"product_id":"tassled-sea-hare","title":"Tassled Sea Hare","description":"\u003cp\u003eThe Tassled Sea Hare (Aplysia sp.) is a peaceful species that is reef-safe with caution, admired for its striking coloration, elaborate tassel-like appendages, large size, and slow, graceful movements.\u003c\/p\u003e\n\u003cp\u003eMales typically are slightly smaller and may exhibit more active behaviors during mating, while females and juveniles are generally larger, with tassels developing as they mature. They reach about 12–14 inches and should be housed in aquariums of at least 50 gallons.\u003c\/p\u003e\n\u003cp\u003eProvide a deep sandbed, plenty of live rock, hiding spots, and open swimming space, maintain stable water parameters (salinity ~1.020–1.025, temperature ~72–79°F, pH ~8.1–8.4), and ensure a secure lid, as these animals are prone to climbing or accidental jumping.\u003c\/p\u003e\n\u003cp\u003eDiet should consist of various algae, especially red and green macroalgae, supplemented with plant-based foods as needed. With proper care, the Tassled Sea Hare makes a unique and captivating addition to a marine aquarium.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609255719097,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_e96d451d-f4c1-4927-b98b-e97f55bb5fe8.png?v=1787041284"},{"product_id":"mottled-sea-hare","title":"Mottled Sea Hare","description":"\u003cp\u003eThe Mottled Sea Hare (Aplysia fasciata) is a peaceful species that is reef-safe with caution, admired for its striking dark mottled coloration with reddish or purplish tones, soft body, and large wing-like parapodia. This species is especially noted for its ability to release a purple ink when threatened, a fascinating defense mechanism.\u003c\/p\u003e\n\u003cp\u003eMales typically behave the same as females since this is a hermaphroditic species, capable of acting as either male or female during reproduction. Juveniles are smaller and less vividly colored, but still display the characteristic mottled patterns.\u003c\/p\u003e\n\u003cp data-start=\"702\" data-end=\"1111\"\u003eThey reach about \u003cstrong data-start=\"719\" data-end=\"735\"\u003e12–16 inches\u003c\/strong\u003e in length and should be housed in aquariums of at least \u003cstrong data-start=\"792\" data-end=\"810\"\u003e75–100 gallons\u003c\/strong\u003e, depending on size. Provide a \u003cstrong data-start=\"841\" data-end=\"917\"\u003esoft sandbed, ample live rock with algae growth, and open swimming space\u003c\/strong\u003e, as well as stable water parameters (salinity ~1.020–1.025, temp ~72–79°F, pH ~8.1–8.4). A \u003cstrong data-start=\"1009\" data-end=\"1036\"\u003esecure lid is essential\u003c\/strong\u003e, as sea hares are known to climb out or move vigorously around the tank.\u003c\/p\u003e\n\u003cp data-start=\"1113\" data-end=\"1327\"\u003eThe diet should consist mainly of \u003cstrong data-start=\"1147\" data-end=\"1235\"\u003ealgae (macroalgae and microalgae), seaweed sheets, and live rock with natural growth\u003c\/strong\u003e. Supplement feeding with \u003cstrong data-start=\"1261\" data-end=\"1302\"\u003enori or other marine vegetable matter\u003c\/strong\u003e to ensure they thrive.With proper care, this fascinating invertebrate makes a \u003cstrong data-start=\"1385\" data-end=\"1419\"\u003eunique and functional addition\u003c\/strong\u003e to the aquarium, both for its unusual appearance and its natural grazing on nuisance algae.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609255751865,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_c7166533-2174-4158-aae3-ef6e2a742b6c.png?v=1787041283"},{"product_id":"dolabella-sea-hare","title":"Dolabella Sea Hare","description":"\u003cp\u003eThe Dolabella Sea Hare (Dolabella auricularia) is a peaceful species that is reef-safe with caution, admired for its camouflage coloration, mottled patterns, unique rounded “ear-like” body shape, and impressive algae-grazing ability.\u003c\/p\u003e\n\u003cp\u003eMales typically appear similar in size and coloration to females, as the species shows little sexual dimorphism, while juveniles are generally smaller, with softer body textures and less pronounced markings.\u003c\/p\u003e\n\u003cp\u003eThey reach about 8–12 inches in length as adults and should be housed in aquariums of at least 75 gallons. Provide a soft sandbed, ample live rock with algae growth, and open grazing areas, along with stable water parameters (salinity ~1.020–1.025, temp ~72–79°F, pH ~8.1–8.4). A secure lid is recommended, as sea hares can climb and occasionally escape.\u003c\/p\u003e\n\u003cp\u003eTheir diet should consist primarily of macroalgae (such as hair algae, Caulerpa, and Ulva), supplemented with dried seaweed\/nori if natural algae is insufficient. With proper care and an adequate food supply, the Dolabella Sea Hare makes a valuable and fascinating addition to a marine aquarium, particularly as an efficient algae controller.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609256407225,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_49c3da4c-8311-4bea-8484-cfc3f2d0f90c.png?v=1787041286"},{"product_id":"purple-chromodoris-nudibranch","title":"Purple Chromodoris Nudibranch","description":"\u003cp\u003eThe Purple Chromodoris Nudibranch (Chromodoris bullocki) is a peaceful species that is reef-safe, admired for its vibrant purple coloration, striking white and yellow margins, and graceful, ribbon-like body.\u003c\/p\u003e\n\u003cp\u003eMales typically are indistinguishable from females in appearance and size, while juveniles are smaller and may display slightly duller coloration until maturity.\u003c\/p\u003e\n\u003cp\u003eThey reach about 2–3 inches in length and should be housed in aquariums of at least 20 gallons. Provide ample live rock with sponge growth for grazing, gentle water flow, and plenty of hiding spots, along with stable water parameters (salinity ~1.020–1.025, temp ~72–79 °F, pH ~8.1–8.4). A secure lid is recommended as some nudibranchs may crawl out of open tanks.\u003c\/p\u003e\n\u003cp\u003eDiet should consist of specialized sponges (their natural prey), as most nudibranchs are obligate feeders and will not accept prepared foods such as mysis or pellets. With proper care and access to their natural diet, this nudibranch makes a stunning and unique addition to a reef aquarium.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609256472761,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_79f7fd77-f609-433a-99b8-20a68c828976.png?v=1787041286"},{"product_id":"lettuce-nudibranch","title":"Lettuce Nudibranch","description":"\u003cp\u003eThe invertebrate Lettuce Nudibranch (Elysia crispata) is a peaceful species that is reef-safe, admired for its bright, ruffled, lettuce-like cerata, vibrant green coloration, and unique ability to photosynthesize through ingested algae (kleptoplasty).\u003c\/p\u003e\n\u003cp\u003eMales typically display the same coloration and patterns as females, as this species is hermaphroditic, meaning individuals possess both male and female reproductive organs. Juveniles are usually smaller with less pronounced ruffling but develop the full frilled appearance as they mature.\u003c\/p\u003e\n\u003cp\u003eThey reach about 2–3 inches in length and should be housed in aquariums of at least 20 gallons. Provide ample live rock with natural algae growth and stable surfaces for grazing, along with a secure lid since some nudibranchs may climb near the waterline.\u003c\/p\u003e\n\u003cp\u003eMaintain stable water parameters:\u003c\/p\u003e\n\u003cp\u003eSalinity: 1.020–1.025\u003cbr\u003eTemperature: 72–79°F\u003cbr\u003epH: 8.1–8.4\u003c\/p\u003e\n\u003cp\u003eTheir diet should consist primarily of macroalgae (such as Bryopsis, Derbesia, and other hair algae species), as they are obligate herbivores and do not typically accept prepared foods like pellets or frozen foods.\u003c\/p\u003e\n\u003cp\u003eWith proper care, this species makes a standout, eco-friendly addition to reef aquariums, often serving as a natural algae controller while adding striking visual interest.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609256505529,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_0007bf15-34a1-4e66-9f63-8f07ac4bdb4d.png?v=1787041287"},{"product_id":"california-sea-hare","title":"California Sea Hare","description":"\u003cp\u003eThe California Sea Hare (Aplysia californica) is a peaceful invertebrate species that is generally considered reef-safe with caution, admired for its unique coloration, large size, grazing behavior, and fascinating biology.\u003c\/p\u003e\n\u003cp\u003eMales typically do not differ significantly in appearance from females; both sexes display a mottled brown to reddish-purple body with smooth skin and soft parapodia. Juveniles are usually smaller and lighter in color, becoming darker and more patterned as they mature.\u003c\/p\u003e\n\u003cp\u003eThey reach about 12–16 inches in length at adult size and should be housed in aquariums of at least 125 gallons to provide sufficient space and grazing areas. A tank should include ample live rock for natural algae growth, a sandy substrate, and open swimming space. Ensure stable water parameters (salinity ~1.020–1.025, temperature ~72–79°F, pH ~8.1–8.4), and always use a secure lid, as some sea hares may crawl up and out of the tank.\u003c\/p\u003e\n\u003cp\u003eTheir diet should consist primarily of natural algae (macroalgae and microalgae), supplemented with nori sheets or other algae-based foods. They are not carnivorous and will not accept meaty foods like mysis or brine shrimp.\u003c\/p\u003e\n\u003cp\u003eWith proper care and a steady supply of algae, the California Sea Hare can make a standout addition to the aquarium, serving both as a fascinating display invertebrate and as an effective algae grazer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609256636601,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_7d7af613-768f-466d-bc40-aeb9a61970a7.png?v=1787041286"},{"product_id":"spanish-shawl-nudibranch","title":"Spanish Shawl Nudibranch","description":"\u003cp\u003eThe Invertebrate Spanish Shawl Nudibranch (Flabellina iodinea) is a peaceful species that is not reef-safe, admired for its vivid purple body, bright orange cerata, striking coloration, and delicate frilly appendages.\u003c\/p\u003e\n\u003cp\u003eMales are indistinguishable from females externally, while juveniles are smaller and display the same vibrant coloration as adults. They reach about 2–3 inches and should be housed in aquariums of at least 20 gallons.\u003c\/p\u003e\n\u003cp\u003eProvide live rock covered in hydroids (their primary food source), some hiding spots, and open swimming space, maintain stable water parameters (salinity ~1.020–1.025, temp ~72–79°F, pH ~8.1–8.4), and a secure lid since many nudibranchs are prone to crawling out of tanks.\u003c\/p\u003e\n\u003cp\u003eDiet should consist of hydroids and other similar sessile invertebrates, and with proper care this species makes a unique and visually stunning addition to the aquarium.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609256800441,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_af6f87df-2a21-4348-85e3-349d68c37841.png?v=1787041287"},{"product_id":"varicose-wart","title":"Varicose Wart","description":"\u003cp\u003eThe Invertebrate Varicose Wart (Phyllidia varicosa) is a peaceful species that is reef-safe with caution, admired for its vivid black body covered with bright yellow or orange wart-like tubercles, intricate patterns, and unique bumpy texture.\u003c\/p\u003e\n\u003cp\u003eMales typically are slightly smaller and more slender, while females\/juveniles tend to be rounder and slightly larger. They reach about 3–4 inches (7–10 cm) and should be housed in aquariums of at least 30 gallons.\u003c\/p\u003e\n\u003cp\u003eProvide a sandy substrate with plenty of live rock for grazing, hiding spots, and some open areas for movement, maintain stable water parameters (salinity ~1.020–1.025, temperature ~72–79°F, pH ~8.1–8.4), and use a secure lid, as some nudibranchs are delicate and may crawl out accidentally.\u003c\/p\u003e\n\u003cp\u003eDiet should consist of specific sponge species, as Phyllidia varicosa are obligate sponge feeders, and with proper care, this invertebrate makes a striking and unusual addition to a reef aquarium.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609257521337,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_4cc99e55-de9b-454f-9581-57d5eac45f69.png?v=1787041292"},{"product_id":"moon-headed-sea-hare","title":"Moon-Headed Sea Hare","description":"\u003cp\u003eThe Moon-Headed Sea Hare (Euselenops luniceps) is a peaceful species that is reef-safe with caution, admired for its unique crescent-shaped “moon” head, mottled coloration, graceful swimming, and efficient algae-grazing behavior.\u003c\/p\u003e\n\u003cp\u003eMales typically grow slightly larger and may display more pronounced head lobes (rhinophores) used for sensing the environment, while females and juveniles tend to be smaller and more uniformly patterned.\u003c\/p\u003e\n\u003cp\u003eThey reach about 4–6 inches in length and should be housed in aquariums of at least 30 gallons. Provide a soft sandbed, ample live rock for grazing and hiding, and shaded areas to replicate their natural habitat. Maintain stable water parameters (salinity ~1.020–1.025, temperature ~72–79 °F, pH ~8.1–8.4) and ensure a secure lid, as sea hares may attempt to crawl out of the tank.\u003c\/p\u003e\n\u003cp\u003eTheir diet should consist primarily of filamentous algae, macroalgae, and naturally occurring biofilm, supplemented with dried seaweed (nori) or macroalgae sheets if natural growth is insufficient. With proper care, this fascinating invertebrate makes a standout addition to marine aquariums, both for its unusual appearance and its helpful algae-eating habits.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609257554105,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_636ceb8e-54b3-4a13-a0e9-0f4b38ba8195.png?v=1787041293"},{"product_id":"spanish-dancer","title":"Spanish Dancer","description":"\u003cp\u003eThe Invertebrate Spanish Dancer (Hexabranchus sp.) is a peaceful species that is reef-safe with caution, admired for its brilliant red coloration, graceful undulating swimming motion, and large, flat body resembling a flowing flamenco dress.\u003c\/p\u003e\n\u003cp\u003eMales typically are similar in appearance to females but may be slightly smaller, while females and juveniles display the same vivid patterns, with juveniles often exhibiting brighter colors and more pronounced frills.\u003c\/p\u003e\n\u003cp\u003eThey reach about 12–24 inches in length and should be housed in aquariums of at least 100 gallons. Provide ample live rock with sponges (their primary food source), gentle water flow, and open swimming space, stable water parameters (salinity ~1.020–1.025, temp ~72–79 °F, pH ~8.1–8.4), and a secure lid since many species are prone to wandering near the surface.\u003c\/p\u003e\n\u003cp\u003eDiet should consist of natural sponge growth and sponge-based prepared foods if available, and with proper care this nudibranch makes a stunning and unique addition to a marine aquarium.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609257586873,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_d2c430f9-cadc-4949-94ed-88a6e4a6a9fc.png?v=1787041293"},{"product_id":"sea-hare","title":"Sea Hare","description":"\u003cp\u003eThe Invertebrate Sea Hare (Aplysia sp.) is a peaceful species that is reef-safe with caution, admired for its unique appearance, soft-bodied form, and fascinating swimming behavior.\u003c\/p\u003e\n\u003cp\u003e Males typically are not visually distinct from females, as Sea Hares are hermaphroditic, possessing both male and female reproductive organs, while juveniles are smaller, less vividly colored, and may show more translucent body patterns. They reach about 8–12 inches as adults and should be housed in aquariums of at least 75 gallons.\u003c\/p\u003e\n\u003cp\u003eProvide plenty of live rock with algae growth, a soft sandbed, and hiding spots, stable water parameters (salinity ~1.020–1.025, temp ~72–79 °F, pH ~8.1–8.4), and a secure lid since many species are prone to crawling or escaping above the waterline.\u003c\/p\u003e\n\u003cp\u003eDiet should consist of various marine algae (especially hair algae), macroalgae, and supplemental algae-based foods, and with proper care this invertebrate makes a unique and beneficial addition to the aquarium, often helping control nuisance algae naturally.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eInternational Aquatics Quarantine \u0026amp; Guarantee: All fish are checked by marine vets, given a formalin bath, and held for 14 days in copper-treated systems. We feed Selcon-soaked food with Kanaplex and Metroplex during quarantine. Unless marked, all livestock comes with our 15-Day Guarantee. You will receive a video of your fish eating before shipment. On request, we also send photos\/videos after arrival at IA. Some species are import-to-order (3-10 business days). Many common species are already cleared or near the end of QT.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSeveral species will be import-to-order and may take anywhere from 3-10 business days to secure. Once your fish is secured, you will be notified, and the quarantine process will then begin.\u003c\/span\u003e\u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":48609257980089,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/2472\/1849\/files\/1_44bff493-8d9e-428b-880b-c07cbab03c7b.jpg?v=1787041296"}],"url":"https:\/\/internationalaquatics.com\/collections\/nudibranchs-best-selection-worldwide-fully-quarantined.oembed","provider":"International Aquatics Fish \u0026 Corals","version":"1.0","type":"link"}