Monkey goby Estuary. It plays an important role in the food chain by serving as prey for other predatory fish living in these areas. Monkey goby The monkey goby ("Neogobius fluviatilis") is a species of goby native to the basins of the Black Sea and the Sea of Azov. The monkey goby is covered with cycloid scales on the head crown, nape, back, one third of the gill covers, bases of the pectoral fins, and the posterior half of the throat and belly. Its second dorsal fin is small in size compared to the posterior end of the body. The width of
Rock goby Rock goby The rock goby ("Gobius paganellus") is a small coastal goby of eastern Atlantic waters, from Scotland to Senegal. It is also reported from the Mediterranean and Black Seas, and is a anti-Lessepsian migrant in the Gulf of Eilat and Red Sea. There are unconfirmed records from the area around Pointe Noire in the Congo Republic. The rock goby is usually black with white blotches - although the male is much more black when guarding the eggs. The neck area lacks scales and there is a pale band on the top of first dorsal fin. Both dorsal fins lack