The majority of snakes are non-poisonous and harmless animals. Some of the common poisonous snakes of Bangladesh are cobra, karit, pit-viper, rattle –snake, russls snake, corla-snake, and sea-snakes. The identification of poisonous and nonpoisonous snakes is very simple. The following key will serve to distinguish poisonous snakes from non-poisonous snakes:
- If it is a marine snakes with the tail laterally compressed it is poisonous.
2. In a terrestrial snake the tail is rounded or cylindrical and not compressed. Examine its ventral scales.