freshwater fish tubenose goby proterorhinus marmoratus

angling animal azov background beautiful biology black brackish bullhead clean closeup danube delicious delta diving feederfishing fish fishing freshwater gobiid gobius goby gourmet grundel habitat invasive landscape life lunch macro marine marmoratus marmorierte meal mediterranean nature neogobius nice photography proterorhinus reef river russia saltwater scuba sea seafish seafood shot snorkeling species tubenose underwater volga water wild wildlife