Colored Tube Anemone

Colored Tube Anemone (Cerianthus sp.) is a semi-aggressive species that is reef-safe with caution, admired for its brilliant coloration, long flowing tentacles, and unique burrowing tube structure.

Males typically do not differ visually from females (as with most anemones, they are not sexually dimorphic), while juveniles are smaller and often display less intense coloration until mature.

They reach about 8–12 inches in tentacle span (sometimes larger in the wild) and should be housed in aquariums of at least 50 gallons to allow room for their long stinging tentacles.

Provide a deep sandbed (4+ inches) for tube burrowing, along with ample open space away from corals since their sweeper tentacles can sting neighboring livestock. Stable water parameters are essential: salinity ~1.020–1.025, temperature 72–79°F, pH 8.1–8.4, and a secure lid since some may retract or dislodge when stressed.

Diet should consist of meaty offerings such as mysis shrimp, brine shrimp, krill, chopped seafood, and occasional pellet or frozen marine foods, as they are nocturnal predators.

With proper care, this striking invertebrate makes a standout, centerpiece addition to the aquarium, best suited for intermediate to advanced hobbyists.

International Aquatics Quarantine & 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.

Several 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.