Butterfly blenny

Butterfly blenny
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Blenniiformes
Family: Blenniidae
Genus: Blennius
Species:
B. ocellaris
Binomial name
Blennius ocellaris

The butterfly blenny (Blennius ocellaris) is a small marine blenniid fish of Northern and Western Europe, as well as the Mediterranean Sea and Black Sea and Morocco. It is usually found at a depth of 10–400 metres (33–1,312 ft) down, especially in areas with a rocky floor.