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The ultra-black Pacific blackdragon forms a circular shape with its body.
Photo

The Ultra-Black Pacific Blackdragon

The ultra-black Pacific blackdragon (Idiacanthus antrostomus) is the...
A harp seal in icy water
Photo

Harp Seal

Harp seals depend on seasonal ice during the breeding season. Their populations may...
A fur seal in kelp
Photo

Fur Seal

Warming climate, changing ocean chemistry, and overfishing threaten kelp forests...
A school of Atlantic bluefin tuna
Photo

Atlantic Bluefin Tuna

Endangered Atlantic bluefin tuna are caught in the wild and fattened in pens for...
A translucent pteropod swims freely in the open ocean with a black background.
Photo

Shelled Pteropod

Changes in ocean chemistry destroy the shelled pteropods that this “naked sea...
Phoenix Islands protected area
Photo

Phoenix Islands

Unlike most coral reefs, those of the Phoenix Islands are protected from pollution...
Whitemouth morays hide in the crevices of Indo-Pacific coral reefs with only their heads (and white mouths) emerging, mouths agape, to breathe and hunt crustaceans and fish.
Photo

Eel, Embedded

"A whitemouth moray eel emerges from the reef following a coral bloom in Honaunau...
Twin-spot snappers are curious top predators on Pacific coral reefs, eating a variety of fishes, shrimps, crabs, and snails among others, and are usually around 2.5 feet long.
Photo

Curious Bohar

The twin-spot snapper (Lutjanus bohar) is one of the more curious predators in the...
Tropical hatchetfish, like the one shown in this X-ray photograph, live in the dark depths of the ocean. Like many other deep-sea fishes, they have large eyes and bioluminescent spots on their bellies.
Photo

X-Ray Image of a Tropical Hatchetfish

Tropical hatchetfish (Argyropelecus lychnus), like the one shown in this X-ray...
Imagine eating an entire fish bigger than you—bones and all! At only 25 cm long, the black swallower often eats fish much larger than itself with the help of an expanding stomach. Sometimes the meal is so large that there isn’t enough time for digestio
Photo

Black Swallower

Imagine eating an entire fish bigger than you—bones and all! At only 25 cm long,...
Despite its fearsome look, the Atlantic wolffish (or sea wolf) isn't a danger to humans, largely preying on whelks, crabs, and sea urchins.
Photo

The Toothy Sea Wolf

With gnarled teeth and a perpetual frown, the sea wolf is a creature out of our...
Jaw of the goblin shark
Photo

The Goblin Shark

The goblin shark (Mitsukurina owstoni) is one of the creepier fish out there! It...

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