Convict Blenny, school of juveniles - Pholidichthys leucotaenia

"Pholidichthys leucotaenia", commonly known as the convict blenny/goby or the engineer blenny/goby, is a marine fish from the west-central Pacific Ocean. It is neither a blenny nor a goby, but is in fact one of two species in the family Pholidichthyidae.