Frillfin goby is then protected by the male until the eggs hatch. These males are often extremely territorial, and chase off intruders. The young gobies can grow to an average of about 7.5 cm in length. This species is found in the Gulf of Mexico. It prefers inshore shallows especially near rocks and pilings. Although rare, the frillfin goby has been seen in the aquarium trade. Frillfin goby The frillfin goby ("Bathygobius soporator") is a species of marine fish in the genus "Bathygobius". The frillfin goby is a usually dark colored goby with mottled coloring of black, gray, and tan, but body
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