Some of these bodies of water are largely incomprehensible ... Its reputation as one of the most powerful aquatic creatures ...

Strandings of these jellyfish-like animals, sometimes called "by-the-wind sailors," usually mean spring is coming ...

Those familiar with Harry Potter will have heard of the mythical grindylow, described in the JK Rowling novels as a small, horned water demon with pointed fangs. And while they might not be as well ...

And now, they are set to appear on a new Royal Mail stamp collection featuring mythical creatures and fabled figures ... who venture too close to the water into the depths with their long, sinewy ...