n = 5
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Bidenichthys beeblebroxi | Paulin, 1995 | Bidenichthys beeblebroxi | Bythitidae | |
| Bidenichthys capensis | Barnard, 1934 | Bidenichthys capensis | Bythitidae | Freetail brotula |
| Bidenichthys consobrinus | (Hutton, 1876) | Bidenichthys consobrinus | Bythitidae | Grey brotula |
| Bidenichthys paxtoni | (Nielsen & Cohen, 1986) | Bidenichthys paxtoni | Bythitidae | Baldhead cusk |
| Bidenichthys slartibartfasti | (Paulin, 1995) | Bidenichthys slartibartfasti | Bythitidae |