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

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 ...