A number of snake species occur in Nigeria. Of these only two are

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the country: '' Gonionotophis egbensis'', a file snake, and ''

Tricheilostoma greenwelli ''Tricheilostoma'' is a genus of snakes in the family Leptotyphlopidae. All of the species were previously placed in the genus ''Leptotyphlops''. The genus contains the following species:" ''Tricheilostoma'' ". The Reptile Database. www.reptile- ...

'', a threadsnake.

Species

Venomous

Venomous species occurring in Nigeria are in the families

Viperidae The Viperidae (vipers) are a family of snakes found in most parts of the world, except for Antarctica, Australia, Hawaii, Madagascar, and various other isolated islands. They are venomous and have long (relative to non-vipers), hinged fangs tha ...

Elapidae Elapidae (, commonly known as elapids ; grc, ἔλλοψ ''éllops'' "sea-fish") is a family of snakes characterized by their permanently erect fangs at the front of the mouth. Most elapids are venomous, with the exception of the genus Emydoceph ...

, and

Atractaspidinae The Atractaspididae (atractaspidids) are a family of venomous snakes found in Africa and the Middle East, commonly called mole vipers, stiletto snakes, or burrowing asps. Currently, 12 genera are recognized. Description This family includes many ...

. Viperidae include the

carpet viper ''Echis'' (common names: saw-scaled vipers, carpet vipersSpawls S, Branch B. 1995. ''The Dangerous Snakes of Africa''. Dubai: Ralph Curtis Books. Oriental Press. 192 pp. .) is a genus of vipers found in the dry regions of Africa, the Middle East ...

, the

puff adder The puff adder (''Bitis arietans'') is a viperinae, viper species found in savannahs and grasslands from Morocco and western Arabia throughout Africa except for the Sahara and rainforest regions.U.S. Navy. 1991. ''Venomous Snakes of the World'' ...

, the

Gaboon viper The Gaboon viper (''Bitis gabonica''), also called the Gaboon adder, is a viper species found in the rainforests and savannas of sub-Saharan Africa.McDiarmid RW, Campbell JA, Touré T. 1999. ''Snake Species of the World: A Taxonomic and Geograp ...

, and the

night adder ''Causus'' is a genus of vipers found only in sub-Saharan Africa. It is a group considered to be among the most primitive members of the family Viperidae based on head scalation, oviparity, venom apparatus, and because they have round pupils. Ho ...

. They are characterised by their heavily built muscular bodies with black patches for camouflage. Elapidae include the

black-necked spitting cobra The black-necked spitting cobra (''Naja nigricollis'') is a species of spitting cobra found mostly in sub-Saharan Africa. They are moderately sized snakes that can grow to a length of in length. Their coloration and markings can vary considera ...

, the

Egyptian cobra The Egyptian cobra (''Naja haje''), also known as Ouraeus ''(derived from the Ancient Greek word: ''οὐραῖος'' - )'', is one of the most venomous snakes in North Africa, which has caused many snakebite incidents to humans. It averages rou ...

and the

Mali cobra The Mali cobra (''Naja katiensis''), also called the Katian spitting cobra or West African brown spitting cobra, is a species of spitting cobra found in West Africa. Geographic Distribution This species ranges from Senegal to Cameroon, with re ...

. Atractaspidinae are a family of small, inoffensive snakes with low chances of envenoming. Native examples include mole vipers, stiletto snakes, and burrowing asps. Most cases of envenomation are caused by the West African carpet viper, the black-necked spitting cobra, and the puff adder.

Non-venomous

Non-venomous snakes include examples from the

Colubridae Colubridae (, commonly known as colubrids , from la, coluber, 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest species of the family date back to the Oligocene epoch. Colubrid snakes are found on ever ...

and the

python Python may refer to: Snakes * Pythonidae, a family of nonvenomous snakes found in Africa, Asia, and Australia ** ''Python'' (genus), a genus of Pythonidae found in Africa and Asia * Python (mythology), a mythical serpent Computing * Python (pro ...

References

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Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...

Reptiles of Nigeria

Lists of biota of Nigeria