n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Psammogobius biocellatus | (Valenciennes, 1837) | Psammogobius biocellatus | Gobiidae | Sleepy goby |
| Psammogobius knysnaensis | Smith, 1935 | Psammogobius knysnaensis | Gobiidae | Knysna sandgoby |
| Psammogobius pisinnus | Allen, 2017 | Psammogobius pisinnus | Gobiidae | Sandslope goby |
| Psammogobius viet | Prokofiev, 2016 | Genus Species | New species |