Blennius
| Blennius Temporal range:   Late Miocene to Present | |
|---|---|
| Blennius ocellaris | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | Blenniiformes | 
| Family: | Blenniidae | 
| Subfamily: | Blenniinae | 
| Genus: | Blennius Linnaeus, 1758 | 
Blennius is a genus of combtooth blennies in the family Blenniidae. Its members include Blennius ocellaris, the butterfly blenny.