Cottoidei
| Cottoidei | |
|---|---|
| European bullhead (Cottus gobio) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | Perciformes | 
| Suborder: | Cottoidei Agassiz, 1835 | 
| Type species | |
| Cottus gobio Linnaeus, 1758 | |
| Superfamilies | |
| See text | |
Cottoidei is a suborder of ray-finned fishes which, according to the 5th edition of Fishes of the World, is placed within the order Scorpaeniformes, alongside the scorpionfishes, flatheads, eelpouts, sticklebacks and related fishes.