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.