| Tomichia tristis (Morelet, 1889) | 
| No Picture Available | 
| Family: | Pomatiopsidae () | |||
| Max. size: | ||||
| Environment: | benthic; brackish | |||
| Distribution: | Western Indian Ocean: South Africa. | |||
| Diagnosis: | ||||
| Biology: | ||||
| IUCN Red List Status: | Critically Endangered (CR); Date assessed: 01 April 2007 (B1ab(ii,iii)+2ab(ii,iii)) Ref. 123251) | |||
| Threat to humans: | harmless | |||
| Country info: |  | |||