As their moniker suggests, colossal squid can grow to be enormous, with some ultimately weighing as much as 1,100 pounds and measuring more than 20 feet, according to Schmidt Ocean Institute.

In the darkness of the South Atlantic Ocean, researchers captured for the first time footage of a live colossal squid (Mesonychoteuthis hamiltoni). And while the elusive creature is known for its ...

The colossal squid, the heaviest invertebrate in the world, was captured on video swimming in the deep sea for the first time since it was identified a century ago.

Colossal squid are "estimated to grow up to 7 meters (23 feet) in length and can weigh as much as 500 kilograms (1,100 pounds), making them the heaviest invertebrate on the planet," says SOI.

The Schmidt Ocean Institute's ROV SuBastian has so far captured the first sightings of four species of squid, including the latest colossal squid sighting, the organization said. In January, the ...

Another, the colossal squid, was filmed alive for the first time ever in March, during a different research expedition by the Schmidt Ocean Institute around the South Sandwich Islands.

Squid eyes are like human eyes since they have two camera-type eyes. However, they have photoreceptors at the front of the eye, instead of at the back, allowing them to see in dimly lit ocean waters.

The Schmidt Ocean Institute's research trips have so far led to the first sightings of four species of squid, including the latest colossal squid sighting, the organization said. The institute's ...