Marine animals can be fascinating and quite beautiful. However, you should not approach some of them. Certain fish and jellyfish are highly poisonous, and contact with them can sometimes be fatal.

A silver toad (lagocephalus sceleratus), considered the most poisonous fish in the world, was caught in the waters of the Adriatic Sea. This unusual species, whose poison is 1,200 times stronger than ...

From a refreshing dip on a hot summer’s day to snorkelling, diving and surfing, people around the world are drawn to the ocean. But lurking beneath the waves are lots of not-so-friendly sea-dwellers, ...