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Rock Goby

Rock Goby, Beachy Head rocks

The Rock Goby (Gobius paganellus) can grow to 12cm.

IdentificationEdit

Medium-sized goby (a family of small fishes with a notorious reputation of being difficult to differentiate, characterised by a pair of dorsal fins, and a pelvic fin fused into a weak suction cup). The first dorsal fins are never elongate in this species (see Gobius niger). Black with white blotches which makes it appear grey. In breeding coloration the white and orange fringe to the first dorsal fin is distinctive.(see picture)

Similar SpeciesEdit

Black Goby, Gobius niger'.

BreedingEdit

Spring around the British coasts.

HabitatEdit

In rocky areas below low water mark and commonly found intertidally, especially the juveniles. The adults are found at low water mark in spring abd in large pools throughout the summer.

FoodEdit

Small crustaceans like caprellids, worms.

RangeEdit

Off the coasts to the south and west of Britain only. English Channel but absent from the North Sea.

Additional NotesEdit

Common.

ReferencesEdit

The Aquarium Project

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