Pholidichthys leucotaenia grow to almost , but never leave the tunnels to feed. They frequently take in mouthfuls of juveniles and spit them out again. An inspection of adult stomachs showed only a green slime. 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. A small eel-shaped fish, it can grow up to in length. Juveniles resemble the striped catfish "Plotosus lineatus", which is venomous, having a black
Blackeye goby Blackeye goby The blackeye goby ("Rhinogobiops nicholsii") is a species of true goby in the family Gobiidae. It is the sole species classified under the genus Rhinogobiops. They are common inhabitants of coral reefs and rocky habitats along the Eastern Pacific Ocean coasts of Mexico, the United States, and Canada, though they are hardly noticed, as they often rest motionless near their shelters. Other common names for the species include bluespot goby and crested goby. Blackeye gobies range in color from creamy white to a mottled dark purple-brown, but can easily be recognized by the distinctive black spot on their