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Wedge-tail triggerfish
(Rhinecanthus rectangulus)
walrus
Description
Also known by their Hawaiian name, humuhumunukunukuāpua. They have an orange snout and a bright blue band running over the upper jaw. A broad black or dark brown band extends diagonally across the body from the eye to the anal fin, completely separating the upper flanks from the head and pale chest. The caudal peduncle, at the base of the caudal (tail) fin has a black triangular blotch coming to a point below the middle of second the dorsal fin. The fins are dusky to translucent. The large, rounded pectoral fins (just behind the small, round gill openings) are marked with a fine vertically oriented curved orange bar.
Dimensions
They grow from 10 to 12 inches in length.
Diet
They are carnivores. They eat crustaceans like crabs, shrimps, sea urchins, worms, and other invertebrates.
Habitat & Range
They are one of several species of triggerfish that are endemic to the salt water coasts of various central and South Pacific Ocean islands. They are especially prominent in the coral reefs of the Hawaiian Islands.
Conservation status
 

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© 2014 Oswaldo Rosales
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