The Geography Cone snail is one of the most venomous animals on Earth. It releases a cloud of insulin when a fish swims by causing it to go into hypoglycemic shock. Once immobilized, it injects the fish with a cocktail of up to 200 toxins. – WTF Fun Facts
Source: What is the most venomous animal in the world? – Museums Victoria
The otherwise adorable duck-billed platypus (Ornithorhynchus anatinus) has a venomous spur on its hind legs. The spur is only on the males and is non-lethal to humans but can be extremely painful. – WTF Fun Facts
Source: http://poisonousnature.biodiversityexhibition.com/en/card/duck-billed-platypus
The most venomous jellyfish – WTF fun facts
Source: https://books.google.co.uk/books?id=v3uDCwAAQBAJ&pg=PA176&lpg=PA176&
How some non-venomous snakes protect their eggs – WTF fun facts
The difference between poisnous and venomous – WTF fun facts
