Unicorn tang

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While many surgeonfish draw attention with brilliant colors, this gray fish stands out for its bizarre shape, appearing as if it had a “nose”. Feeding on algae and plankton in the wild, it enjoys lettuce and other leafy greens in aquariums. It can be found in schools from the Red Sea to many islands in the Pacific, including Hawaii, where it is a traditional food fish. Like other surgeonfish, it has defensive “scalpels” on its tail, but they are especially noticeable with this species because they are blue.

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