10. Coral snakes (Leptomicrurus, Micruroides and Micrurus genera)
Coral snakes are divided into two groups, one being Asian, the other New World coral snakes belonging to Leptomicrurus, Micruroides and Micrurus genera with about 70 species including eastern coral snake and western Arizona coral snakes. These coral snakes inhabit waters of temperate and warm climate of southeastern US. Coral snakes are very slender, and usually around 50 centimeters long. They are very brightly colored in black, yellow and red rings. Coral snakes are highly venomous, but envenomation in humans is very rare.