Their scales are rough and sharp to the touch. They are found in different colors such as yellow, green, and pinkish. It is one of the smallest poisonous snakes in Central America. Generally, they don't bite humans unless teased or trampled. Vipers can carry diseases.
Vipers usually attack their prey quickly, inject venom, wait for the prey to die, and then seize it.
The Eyelash viper is mostly nocturnal. The Eyelash viper is usually found in trees, on the leafs of big plants, or other vegetation just above the ground. Their bite can be very painful and deadly. Its pupils are long vertical slits. Reproduction in whole or in part without permission is prohibited.