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 ...

When most of us picture the ocean, we imagine turquoise waves, colorful reefs, and shoals of darting fish. But that’s only the surface. Venture deeper, far below the last reach of sunlight, and you ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

From worms with squid-like tentacles to fish with teeth on their tongues, here are some of the most alien-looking creatures in the deep ocean. When you purchase through links on our site, we may earn ...

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 ...

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.

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 ...