Also known as Gudgeon, Reef Goby, Rock Goby.
Found singly, pairs or small schools over very shallow waters in rock pools and over intertidal zones.
They feed on crustaceans, fish eggs, insect larvae and invertebrates.
Length - 15cm
Depth - 0-2m
Widespread Eastern Atlantic
Reef Gobies have the largest and smallest species usually with very distinctive colouring. Ref: https://www.fishbase.se/summary/9967