Today's Catch

The suckers of this red octopod flash on and off.

Glowing Sucker Octopus

This red octopod ( Stauroteuthis syrtensis ) shines in a novel way. Suckers stretching in a single row down each arm flash on and off. The glowing-sucker octopod drifts through deep waters off the eastern United States—down to 2,500 meters (8,200...

The Bobbit Worm

There aren't any mummies or zombies buried under the seafloor: instead the ocean has its own terror from below, the bobbit worm ( Eunice aphroditois ). A couple inches wide and up to ten feet long, the bobbit worm stays hidden under tropical sands...
A purple hard coral releases bundles of pink eggs glued together with sperm.

Coral Spawning

Corals are sedentery animals, so how do they reproduce? One way is sexually through spawning , when the corals release eggs and sperm into the water (often at the same time due to some sort of trigger). External sexual reproduction occurs when...

Seal or Sea Lion?

Seals and sea lions have many similarities, and are in the same family of Pinnipeds, but they lead very different lives. Seals are smaller than sea lions; male Stellar sea lions can grow to be up to 2,200 pounds. Seals also are suited to spend more...
A whale shark swims with a diver off the coast of East Africa.

Whale Shark Off Coast of East Africa

When you think of African animals, what do you think of? Probably the “Big Five:” lions, elephants, leopards, buffalo and rhinos. But Africa also has an incredible amount of marine diversity in the coral reefs and open water surrounding the...

Mandarinfish Duo

These beautiful mandarinfish ( Synchiropus splendidus ) are covered in bright blue, red, yellow and orange waves. What they lack, however, are traditional fish scales. Instead of your typical fish scales they are covered in a smelly mucus coating....

Ctenophore Combs - Close Up

Comb jellies (such as this Bolinopsis species) are named for their combs: the rows of cilia lining their bodies that propel them through the ocean. Read more about jellyfish and comb jellies .

Female Manatee Foraging with a Calf on Her Back

"Wild manatees in Belize are not used to humans. Living miles offshore in mangroves, they remain shy and elusive. After weeks searching and waiting for an opportunity to photograph them, I was rewarded with an especially tolerant mother and calf. I...
An 1874 photo of a squid draped over a bathtub.

First Giant Squid Photo

This 1874 photo of a squid draped over a bathtub was the first ever taken of a giant squid. It belonged to the Reverend Moses Harvey of Newfoundland. More about the giant squid can be found in the Giant Squid section .
Humpback Whale, Stellwagen Bank National Marine Sanctuary, Gloucester, MA, USA

Humpback Whale, Stellwagen Bank National Marine Sanctuary, USA

“This humpback uses its lower jaw to strain fish off the water’s surface as sea birds snatch their own meals right out of the whale’s open mouth.” -- Nature's Best photographer, Bryce Flynn. See more beautiful ocean photos in our slideshow of...