Moray eel

This makes them one of the world's most intelligent parrots. What a fun fact about these animals that start with M. But, unfortunately, the population of

Moray eels.

Learn about the green moray eel, including their habitat, diet, range and population status, and where you can find them at the National Aquarium.

These stunning pictures are some of the winners in one of the world’s biggest underwater photo competitions, where some of the top prizes have gone to British snappers.

Explore Philippe Guillaume's 1224 photos on Flickr!

Looking to learn about moray eels? We've got everything you want to know: diet, habitat, behavior, intelligence, lifespan. Plus tons of photos and videos!

Two moray eels take in the presence of an underwater photographer off the coast of Myanmar in this National Geographic Your Shot Photo of the Day.

Moray eels secrete a mucus over their smooth skins in greater quantities than other eels, allowing them to swim fast around the reef without fear of abrasion. Also sand-dwelling morays can make their burrow stronger and permanent, as granules adhere with the mucus and attach to the sides of the burr