Country: Tanzania
Distribution of Terrestrial Snakes in Central and Southern Africa
Colubrids
| Dispholidus typus | X | Including Zanzibar and Mafia Island |
| Thelotornis capensis | X | including Mafia Island |
| Thelotornis kirtlandii | X | |
| Thelotornis mossambicanus | X | |
| Thelotornis usambaricus | NE |
Elapids
| Dendroaspis angusticeps | X | including Zanzibar |
| Dendroaspis jamesoni | NW | |
| Dendroaspis polylepis | X |
| Naja annulata | SW | |
| Naja ashei | NE | |
| Naja haje | N | |
| Naja mossambica | E+S | including Pemba Island and Zanzibar |
| Naja nigricollis | X | |
| Naja pallida | NE | |
| Naja subfulva | W | including Zanzibar |
| Elapsoidea boulengeri | X | |
| Elapsoidea loveridgei | N | |
| Elapsoidea nigra | NE | |
| Elapsoidea semiannulata | X |
Vipers
| Atheris barbouri | S | Udzungwa and Ukinga Mountains |
| Atheris ceratophora | E | Usambara, Uluguru, Uzungwe Mountains |
| Atheris hispida | NW | |
| Atheris matildae | S | |
| Atheris nitschei | NW | |
| Atheris rungweensis | W | |
| Atheris squamigera | NW | |
| Atheris superciliaris (= Proatheris superciliaris) | SW |
| Atractaspis aterrima | X | |
| Atractaspis bibronii | X | including Zanzibar |
| Atractaspis irregularis | NE |
| Bitis arietans | X | |
| Bitis gabonica | E | |
| Bitis nasicornis | NW+NE |
| Causus defilippii | X | including Zanzibar |
| Causus resimus | X | |
| Causus rhombeatus | X |