{"product_id":"hairy-pincushion-urchin","title":"Hairy Pincushion Urchin","description":"\u003cp data-start=\"100\" data-end=\"474\"\u003eMy species\/animal is an \u003cstrong data-start=\"124\" data-end=\"140\"\u003einvertebrate\u003c\/strong\u003e: \u003cstrong data-start=\"142\" data-end=\"194\"\u003eHairy Pincushion Urchin (\u003cem data-start=\"169\" data-end=\"191\"\u003eTripneustes gratilla\u003c\/em\u003e)\u003c\/strong\u003e. It is a \u003cstrong data-start=\"204\" data-end=\"216\"\u003epeaceful\u003c\/strong\u003e species that is \u003cstrong data-start=\"233\" data-end=\"259\"\u003ereef-safe with caution\u003c\/strong\u003e, admired for its \u003cstrong data-start=\"277\" data-end=\"471\"\u003erounded pincushion body, dense and somewhat “hairy” appearance due to fine spines, striking color variations (ranging from purple, brown, green to white), and excellent algae-grazing ability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"476\" data-end=\"813\"\u003eMales typically \u003cstrong data-start=\"492\" data-end=\"594\"\u003ecannot be visually distinguished from females, as this species shows no external sexual dimorphism\u003c\/strong\u003e, while juveniles are \u003cstrong data-start=\"616\" data-end=\"675\"\u003esmaller with shorter spines and less intense coloration\u003c\/strong\u003e. They reach about \u003cstrong data-start=\"694\" data-end=\"739\"\u003e4–6 inches in diameter (including spines)\u003c\/strong\u003e as adults and should be housed in aquariums of at least \u003cstrong data-start=\"796\" data-end=\"810\"\u003e55 gallons\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"815\" data-end=\"1169\"\u003eProvide \u003cstrong data-start=\"823\" data-end=\"906\"\u003eample live rock for grazing, a sand or rubble substrate, and stable aquascaping\u003c\/strong\u003e, as they may pick up shells, algae, or small debris to camouflage themselves. Maintain stable water parameters (salinity ~1.020–1.025, temp ~72–79 °F, pH ~8.1–8.4). A \u003cstrong data-start=\"1074\" data-end=\"1088\"\u003esecure lid\u003c\/strong\u003e is recommended to prevent them from crawling into overflows or filter intakes.\u003c\/p\u003e\n\u003cp data-start=\"1171\" data-end=\"1593\"\u003eDiet should consist of \u003cstrong data-start=\"1194\" data-end=\"1341\"\u003enatural algae growth (macroalgae, film algae, and hair algae), supplemented with dried seaweed (nori), spirulina, and sinking herbivore pellets\u003c\/strong\u003e. In low-algae aquariums, regular supplementation is essential to prevent starvation. With proper care, this urchin makes a \u003cstrong data-start=\"1465\" data-end=\"1513\"\u003euseful and unique addition to reef aquariums\u003c\/strong\u003e, both as an effective algae grazer and as a fascinating display invertebrate.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\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\n\u003cp data-start=\"1171\" data-end=\"1593\"\u003e \u003c\/p\u003e","brand":"International Aquatics","offers":[{"title":"Default Title","offer_id":57476554391855,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3532\/6511\/files\/Tripneustes-gratilla_20-Photoroom.png?v=1777528778","url":"https:\/\/internationalaquatics.com\/products\/hairy-pincushion-urchin","provider":"International Aquatics","version":"1.0","type":"link"}