Mallow et al. (2003) describe the venom toxicity as being relatively low compared to other viper species.

Breeding occurs in the spring, and like most other viper species, cantils are ovoviviparous, giving birth to 5-20 young at a time.

Atheris squamigera is a venomous viper species found in west and central Africa.

Vipera aspis is a venomous viper species found in southwestern Europe.

Macrovipera mauritanica is a venomous viper species found in northwestern Africa.

Causus bilineatus is a venomous viper species found in south central Africa.

Causus lichtensteinii is a venomous viper species found in western and central Africa.

Echis jogeri is a venomous viper species found only in Mali.

Most viper species are ovoviviparous, giving birth to live young, but a few lay eggs.

Echis hughesi is a venomous viper species found only in Somalia.