Odonus
Odonus is a hardy member of a saltwater aquarium. It has a reputation as one of the most peaceful of the triggerfish. It is still however a triggerfish and can therefore not be easily kept in an aquarium with invertebrates, although careful selection of invertebrates sometimes can make it possible to keep in a reef aquarium. A single small niger trigger can be kept in a 40 gallon aquarium, however because they are fast growing a larger tank should be strongly considered. For a full adult specimen a 200 gallon or larger aquarium is advised.Their pectoral fins are quite small; as a result they steer mostly with their dorsal and anal fins, which makes them very maneuverable, and they also use these fins to move with an exotic type of propulsion reminiscent of a propellor. One of the most singular swimming styles in the ocean.
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