Ilha da Queimada Grande is the only known home of the Golden Lancehead (Bothrops Insularis), one of the most venomous vipers in the world. The snakes venom is said to be three to five times stronger than that of any mainland snake.

Also, are Golden lancehead Vipers aggressive? Venom / Bite These are highly venomous snakes but since the golden lancehead only inhabits an area uninhabited by humans, there has never been a recorded bite by one. ?But other lancehead species are responsible for more human deaths than any other snakes in both North and South America.

Considering this, how poisonous is a golden lancehead?

One poisonous bite from the Golden Lancehead pit viper is enough to kill a grown man within a few hours. Its fast-acting venom will burn through flesh and cause its victim to bleed to death.

Has anyone died on Snake Island?

There are no fatality statistics of the golden lanceheads (since the only area they inhabit is cut off from the public), however someone bitten by a regular lancehead faces a seven percent chance of death if untreated.