Mysterious Deep-Sea Jellyfish Filmed in Rare Sighting

See the mysterious deep sea jellyfish that was caught on camera by a remote operating vehicle.

Mysterious Deep-Sea Squid Spotted on Live Cam in the Gulf of Mexico

Watch this footage of an unusual squid which may or may not be a new species–scientists are trying to work it out.

First-Ever Footage of Deep-Sea Anglerfish Mating Pair

See the first ever footage of two deep-sea anglerfish mating in the wild. 

Rare Video: Deep-Sea Creature Incubates Eggs on Hydrothermal Vents

Explore a new discovery made by scientists of oddly shaped eggs sitting on a hydrothermal vent in the Galápagos.

See Secret Eating Habits of Deep-Sea Creatures

The ocean depths hold a complex network of predators and prey. Some links in that network, once unknown, have now come into view. When preyed upon, gelatinous animals, like jellyfish and comb jellies, quickly become unrecognisable, and so are undercounted in predators’ guts. Plus, jellies are hard to catch with a net. But with remote-operated vehicles, Monterey Bay Aquarium Research Institute (MBARI) researchers have been filming ocean life — including jellies — for decades. By reviewing their footage, MBARI has changed the model of the deep-sea ecosystem. They've found that jelly-like animals play a bigger role than previously thought. Jellies served as a food source for several types of sea creatures, and also preyed upon a number of species, such as squid. The food web just got a little more tangled.