n = 9
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Gymnocanthus detrisus | Gilbert & Burke, 1912 | Gymnocanthus detrisus | Cottidae | |
| Gymnocanthus galeatus | Bean, 1881 | Gymnocanthus galeatus | Cottidae | Armorhead sculpin |
| Gymnocanthus herzensteini | Jordan & Starks, 1904 | Gymnocanthus herzensteini | Cottidae | |
| Gymnocanthus intermedius | (Temminck & Schlegel, 1843) | Gymnocanthus intermedius | Cottidae | |
| Gymnocanthus pistilliger | (Pallas, 1814) | Gymnocanthus pistilliger | Cottidae | Threaded sculpin |
| Gymnocanthus tricuspis | (Reinhardt, 1830) | Gymnocanthus tricuspis | Cottidae | Arctic staghorn sculpin |
| Gymnocanthus tricuspis orientalis | Schmidt, 1927 | Gymnocanthus tricuspis | Cottidae | Arctic staghorn sculpin |
| Gymnocanthus vandesandei | Poll, 1949 | Gymnocanthus vandesandei | Cottidae | |
| Gymnocanthus ventralis | (Cuvier, 1829) | Gymnocanthus pistilliger | Cottidae | Threaded sculpin |