In the episode, Tunnell said the critters are called onion sea anemones. When out of water, they look exactly how they sound, like an onion. When you put them in the water, the species will shapeshift ...

Though it covers over 70% of our planet, we know startlingly little about what life is like below the surface of our oceans. In fact, all our favorite marine animals – sharks and dolphins, turtles and ...

PINELLAS COUNTY, Fla. -- The Florida beaches are well known for beautiful shells and interesting sea creatures. One preservationist group located at Fort DeSoto Park shared videos of a small octopus ...

From mysterious colossal squid to the ferocious pram bug, these creatures are stranger than fiction. Found in the depths of the Pacific Ocean, the flower hat jellyfish (Olindias formosa) glides with ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

An entire world lives deep under the ocean’s surface, far from human notice and as bustling as any city. Animals such as tubeworms and clams live crowded around plumes of methane that bubble up ...