n = 5
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Chasmichthys dolichognathus | (Hilgendorf, 1879) | Chaenogobius annularis | Gobiidae | Forktongue goby |
| Chasmichthys dolichognathus dolichognathus | (Hilgendorf, 1879) | Chaenogobius annularis | Gobiidae | Forktongue goby |
| Chasmichthys dolichognathus gulosus | (Sauvage, 1882) | Chaenogobius gulosus | Gobiidae | |
| Chasmichthys gulosus | (Sauvage, 1882) | Chaenogobius gulosus | Gobiidae | |
| Chasmichthys misakius | (Jordan & Snyder, 1901) | Chaenogobius gulosus | Gobiidae |