BOA CONSTRICTOR. Boas are non-poisonous but just as deadly. Boas are nonvenomous. They have sharp teeth for gripping it's prey, though. Pythons are invasive in Florida, but this is not part of their native range. Boa constrictors can be found all over the world, but pythons are Old World snakes, native to Africa, Asia, and Australia. (adjective) A boa constrictor is an example of a venomous snake. The wound didn’t even get infected. While around 50,000 Americans are bitten by a snake every year, snake bites to the eye are extremely rare. They also don't have fangs. venomous definition: The definition of venomous is a snake or other animal that can transmit or inject dangerous serum, or a person or behavior that is mean, malicious or spiteful. The main difference is - Rattlesnakes are venomous, while Boa constrictors are (as the name suggests) constrictors. No. They ambush their prey, which means that they will hide and wait for something yummy to go by and then do a surprise attack. Boa constrictors do not have venom. Boa constrictors are not venomous, and his eye was not injured beyond repair. Boa Constrictors are one of the largest snakes in the world, along with the Reticulated Python and Anaconda. This makes this incident rather unusual.