Today's Catch

Photograph of a many-armed sea star with maroon and white feathery-looking arms, with a deep red sea fan in the background.

Feather Star

As it clings to a red sea fan, a feather star ( Cenometra bella ) gently waves its slender arms—filtering bits of food from the water. Also known as sea lilies, feather stars are related to sea stars. Learn more about life on coral reefs in the...
Three Killer whales (Orca) swim along side researchers.

Researchers Studying Killer Whales

Researchers from the SOCAL-10 research partnership study the behavior of orcas (commonly called killer whales) and how they react to sonar and other noisy human activities. The partnership is bringing more information about how marine mammals, who...
White abalone

White Abalone In Danger

White abalones are slow-moving, algae-eating mollusks. Rapid overharvesting since the 1970s has resulted in white abalones becoming the first marine invertebrate listed as endangered on the Endangered Species Act in 2001 . The population is...
Colorful Christmas tree worms

A Forest of Christmas Tree Worms

This forest of Christmas tree worms is a group of polychaete worms that live on tropical coral reefs. See more celebratory ocean creatures in our slideshow!
Great White Sharks breach to hunt -- with split-second timing they grab their prey in one swift snatch. Follow the whole breaching action in this slideshow.

Breaching Great White Shark on the Hunt

It's hard to imagine a 2000-pound animal launching itself out of the water while hunting, but the great white shark does just that. This spectacular behavior is called breaching, and great white sharks breach in order to catch fast-moving prey like...
This jelly’s red color provides camouflage in the ocean depths.

Unidentified Comb Jelly

This jelly’s red color provides camouflage in the deep ocean. Red light rarely reaches those depths, and most deep-sea animals have lost the ability to see red. The long, complex tentacles of this unidentified comb jelly (Order Cydippia) have sticky...

West Norwegian Fjords – Geirangerfjord and Nærøyfjord, Norway

The West Norwegian Fjords - Geirangerfjord and Nærøyfjord site was inscribed on the World Heritage List in 2005. The site's two fjords, among the world's longest and deepest, are considered archetypical fjord landscapes and among the most scenically...
Vertebrates evolved in the sea and eventually moved onto land. The ancestors of whales later returned to the sea.

Whales Returned to the Sea

Vertebrates evolved in the sea and eventually moved onto land. The ancestors of whales later returned to the sea, taking advantage of its rich food supplies. As early whales adapted to their new marine surroundings, a diversity of species evolved....

Female Leatherback Turtle Crawls From The Sea To Nest

"Leatherback turtles are the oldest, deepest-diving and widest-ranging of all sea turtles, with a lineage that dates back over 100 million years. We can only imagine all that this species has seen and experienced throughout the millennia and yet...
Tomopteris's bristles produce yellow bioluminescence, a unusual color among midwater animals, nearly all of which make some sort of light.

Glow Worms

Tomopteris are segmented worms that are cousins to earthworms, but belong to a separate group called polychaetes , meaning many (poly) bristles (chaetes). Despite being related to earthworms, they look completely different due to the challenges that...