Fourhorn Sculpin
Myoxocephalus quadricornis
- Least concern
- Card rarity: Common
- Fish

The fourhorn sculpin is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. This species has a Holarctic distribution and can be found in marine, brackish and fresh waters.
Classification
- Class
- Actinopterygii
- Order
- Perciformes
- Family
- Psychrolutidae
- Genus
- Myoxocephalus