9. Viperine sea snake (Hydrophis viperinus)
LD50: 0.35
Viperine sea snake can be found in waters of whole southern Asia, though its occurrence is partial and it is quite rarely seen. Nevertheless, it is highly venomous snake species. It dwells in muddy environments, sometimes even in freshwater, like specimens noticed in Goa river. It is usually lightly colored, being gray on the dorsal (back) side and lighter on the ventral side (belly).
