Rare footage of a bigfin squid captured by a ROV deployed 11,000 feet deep in the Tonga Trench. Credit: Deep Sea Research ...

Pelican eels live in the mesopelagic zone (also known as the middle pelagic or twilight zone), at depths of around 9,000 feet (2,700 meters) along with other terrifying-looking deep-sea creatures like ...

A rare observance of a deep sea squid using one of its tentacles like a giant tongue got stranger still when it spewed out ...

Jon says, 'Squid and octopus really are unusual animals. Their body plan isn't similar to anything else that we know of in the sea. They move quickly and the way that their bodies, arms and tentacles ...

Rare footage shows a deep-sea squid wrapping its arms around a camera at a depth of about 1km (0.6 miles), where conditions are near pitch black. The Dana squid has all the tools of a top ocean ...

Another hundred and 50 meters down, we meet the vampire squid. It has bioluminescent ... This thrilling deep-sea fish was voted the world's ugliest animal by the Ugly Animal Preservation Society.

While most sea slugs use a rough tongue to feed on prey attached to the seafloor, B. caudactylus uses a cavernous hood to ...

Before 1950 there were no reports of Humboldt squid in the Sea of Cortez ... from the food chain. These creatures grow up to 2.5m long and can be cannibalistic when one of their own is caught ...

Motorless, Medusa is quiet and doesn't scare away prey that the squid might be hunting. It's also unobtrusive, using red light that's invisible to most deep-sea creatures but illuminates the scene ...

Examining a 21-year abundance dataset of Argentine shortfin squids Illex argentines paired with a regional oceanic analysis, we noted strong correlations between squid annual abundance and sea ...