Also known as Black Goby, Gudgeon, Leopard Goby, Reef Goby.
Found singly close to crevices and holes in vertical rock walls of inshore reefs.
They feed on algae, crustaceans and worms.
Length - 13cm
Depth - 6-40m
Widespread Eastern Atlantic, Mediterranean
Reef Gobies have the largest and smallest species usually with very distinctive colouring. Ref: https://www.fishbase.se/summary/Thorogobius-ephippiatus.html