Pholidichthys leucotaenia 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 body with a white dorsal stripe. As they develop, the stripe changes to white convict-style barring or spotting in the adult. It lives in shallow lagoons and on coastal reefs from the Philippines
Kirk's blenny Kirk's blenny The Kirk's blenny ("Alticus kirkii") is a species of combtooth blenny (family Blenniidae) in the genus "Alticus". It was described by A. Günther in 1964, originally as a member of the genus "Salarias". It is a tropical blenny which is known from the Red Sea, Mozambique, Réunion, the Persian Gulf, and India, in the Indian ocean. Kirk's blennies inhabit waters near the shore, and often spend time out of the water. They are able to breathe air when on land. They are oviparous, and form distinct pairs when mating; they also guard their eggs. They can reach a