Striped poison-fang blenny mimic

''Petroscirtes breviceps'', the striped poison-fang blenny mimic, striped fangblenny mimic, short-head sabretooth blenny, short-headed blenny, sabretooth blenny, or the black-banded blenny, is a species of combtooth blenny found in coral reefs in the western Pacific and Indian ocean. This species reaches a length of 11 centimetres SL.