Triggerfish are extremely personable and entertaining, and make great tank mates with other fish of similar size or temperament. They will eat invertebrates, especially shrimp, but also other crustaceans, mollusks, bivalves, sponges, tunicates, feather dusters and more. They may move and flip over rocks to search for food underneath. They do not typically bother corals. They may chase and bully other fish, especially those smaller than themselves. They may be aggressive with other triggerfish and two should only be kept together in sufficiently large aquariums.Triggerfish are named for their first dorsal fin which is typically kept flat against their back but can be cocked into an upright position and cannot be forced down. When threatened they swim into the smallest cave they can fit in and lock their fin up which makes them impossible to be dislodged by predators. This fin may also become tangled in nets.Triggerfish are carnivores and should be fed two to three times a day a high quality diet of meaty items such as Mysis shrimp, krill, silversides, clams, and chopped seafood. Hard shelled items are important to keep their teeth in good shape. Algae clips with nori are a favorite treat and may be quickly devoured. They are easy to keep and usually learn to eat dry foods as well. Triggerfish are heavy feeders and thus strong filtration is necessary. The Sargasum is a rare and striking animal from the Caribbean. Its bright steel colored body is accentuated by jet black stripes under its dorsal and anal fins, around its mouth, and a small spot on each of its scales. It is also called the Red Tail triggerfish after its bright scarlet tail. It is one of the most peaceful species and is usually safe with most invertebrates, with the exception of shrimp. It enjoys plenty of water movement and open space to swim. It grows up to 14 inches and requires an aquarium of at least 150 gallons. Groups may be added together to large aquariums.
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