Round goby Round goby The round goby ("Neogobius melanostomus") is a euryhaline bottom-dwelling goby of the family Gobiidae, native to central Eurasia including the Black Sea and the Caspian Sea. Round gobies have established large non-native populations in the Baltic Sea, several major Eurasian rivers, and the North American Great Lakes. Round gobies are small, soft-bodied fish, characterized by a distinctive black spot on the first dorsal fin. Their eyes are large and protrude slightly from the top of the head and, like most gobies, round gobies have pelvic fins that are fused to form a single disc on the belly of
Kirk's blenny maximum total length of 11 centimetres (4.33 inches), and feed primarily off of benthic algae. 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,