Pseudalutarius nasicornis also known as the rhinoceros leatherjacket is a species of filefish native to the Indian and western Pacific Oceans. It occurs on reefs at depths of from 1 to 55 metres (3.3 to 180.4 ft). This species grows to a length of 19 centimetres (7.5 in) TL. This species is the only known member of its genus.

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