Today's Catch

Sweetlips, Raja Ampat, Indonesia

The larger fish in this picture are called sweetlips ( Plectorhinchus ) because of their big, fleshy lips. There are over thirty species of sweetlips, which tend to live on coral reefs in small groups. “On an afternoon dive, I spotted a small group...

Teeth and Jaw of an Ancient Shark

This well-preserved fossil is the only intact partial skull ever found of a white shark that lived about 6.5 million years ago called Carcharodon hubbelli . The fossil jaw contains 222 teeth, some in rows up to six teeth deep, and may provide...

The Comeback Sea Slug

This nudibranch, or shell-less marine snail, is making a comeback to a location it hasn't been to in years along the California coast. First discovered off the coast of Southern California in 1902, Felimare californiensis was thought to be extinct...

Harp Seal, Prince Edward Island National Park, Canada

Harp seals are protected in the United States by the Marine Mammal Protection Act . Although they are not considered endangered, as sea ice melting earlier and earlier each year, available harp seal breeding grounds are being lost in the North...

Staurozoan: The Stalked Jellyfish

This rare staurozoan , or stalked jellyfish ( Haliclystus californiensis ) is about 2 centimeters in length and was collected off the coast of California. Unlike the traditional bell-shaped floating jellyfish, staurozoans live attached to rocks or...
A great white shark gaping its jaws at the surface of the water; gaping is used as a form of communication in sharks

Gaping Jaws of a Great White Shark

A great white shark ( Carcharodon carcharias ) emerges from the water's surface, gaping at the photographer. Gaping is a way sharks communicate with each other, and maybe even try and communicate with humans. In addition to gaping, sharks have six...

Three-spot Frogfish

The three-spot frogfish ( Lophiocharon trisignatus ), seen here off the coast of Western Australia, looks like it might just be a rock or a part of the sea floor! Frogfish use various methods of camouflage such as their rough shape, color changes...
Jaw of the goblin shark

The Goblin Shark

The goblin shark ( Mitsukurina owstoni ) is one of the creepier fish out there! It has a long, prominent snout covered with special sensing organs (ampullae of Lorenzini) that help it to sense electric fields in the deep, dark water it calls home....
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...

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