By Laura Salas
The terciopelo viper is one of the most dangerous snakes in the neotropical rainforest in Central America. They can grow up to 2.5 meters (8 feet) long and have heads that are 10 centimeters (4 inches) wide. They are responsible for the majority of snakebites in Central America. Their venom contains hemotoxins and if not treated with an antivenin can lead to death.
Also known as the Taiwanese or Chinese Krait, the many-banded krait is a highly venomous snake found in southern China and Southeast Asia. In the daytime, this snakes hides in places such as holes and under rocks. However, at night, it hunts and becomes more aggressive. Symptoms will not appear promptly after bite, but may show hours later. If untreated, death is likely 70-100% of the time.
The Malayan krait inhabits Thailand and much of Southeast Asia. They tend to shy away from the sun and are very active at night. Their venom is highly poisonous and death can result as soon as 12-24 hours after bite. Sadly, even after treatment, 50% of its victims will succumb to effects of the poison, dying usually from respiration failure.
The common death adder is native to Australia. Not only is it one of the most venomous snakes in Australia, but also the whole world. The death adder is a master of camouflage and likes to hide beneath loose leaves in woodlands and grasslands. Its venom contains a very potent neurotoxin which can lead to death within 6 hours after the bite.
The eastern green mamba resides in East Africa and is normally found dwelling in trees. This highly venomous snake can grown up to 2 meters (6.6 feet) in length. This species has bitten many humans, many of which have resulted in fatalities. There was one case where someone died in as little as 30 minutes after the bite. Other symptoms of the venom include difficulty breathing, convulsions and nausea.
