False Harp-tail

Plagiotremus laudandus, the bicolour fangblenny, false harptail-blenny, poison-fang blenny mimic, yellow-tailed blenny or the yellowtail fangblenny mimic, is a species of combtooth blenny found in coral reefs in the western Pacific ocean. This species reaches a length of 8 centimetres (3.1 in) TL. This species is a Batesian mimic of Meiacanthus atrodorsalis.

Adapted from Wikipedia, licensed under CC BY-SA 4.0.