black goby fish, underwater photography scene - (gobius niger)

animal underwater invertebrate reef blue sea wildlife organism fish coral reptile aquarium seafood ocean food natural background scuba aegean peaceful grey gobiodon gobius black goby fishes gobiidae scene diving adriatic snorkeling undersea life aquatic tropical mediterranean fins nature niger salt water saltwater greece seascape marine deep swim creature closeup environment sand beautiful europe portrait gobios perciformes nocturnal gobioidei biodiversity species gobio ray-finned eastern atlantic inhabits estuaries lagoons inshore seagrass algae feeds variety invertebrates small trade