Malayan (Malaysian) Pit Viper Snake, Thailand February 1, 2010 500 × 265 Malayan Pit Viper – Venomous – Very Dangerous Usually under a meter, and thick. Very Dangerous. Malayan Pit Vipers are very dangerous snakes because their venom is so dangerous. Their nickname is “finger rotters” because the venom melts flesh. If you see snake handlers without fingers – they were bitten by a snake with venom like this.