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
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