Venomous snake

A venomous snake is a snake that uses venom (poison) on prey to stop them and for self-defense.

Western green mamba, Dendroaspis viridis, a venomous elapid.

Families

Over 600 species are known to be venomous -- less than one fifth of all snake species.

Family Description
Atractaspididae (Atractaspidids) Burrowing asp, Mole viper, Stiletto snake.
Colubridae (Colubrids) Most are harmless, but others have toxic saliva and at least five species, including the Boomslang (Dispholidus typus), have caused human fatalities.
Elapidae (Elapids) Cobra, Coral snake, Krait, Mamba, Sea snake, Sea krait and Australian elapid.
Viperidae (Viperids) True viper and Pit viper, including Rattlesnake and Albany Adder.

References

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