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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...
Hagfish Slime Thread
Photo

Spin Hagfish Slime into Silk

Believe it or not, this unraveling thread is from hagfish slime. Hagfish are...
Dover Sole Skin
Photo

Close-Up of Dover Sole Skin

This close-up of the skin of dover sole (Solea solea) masks its true ability: to...
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...
A look into a whale shark mouth.
Photo

A Smiling Gentle Giant

The whale shark (Rhincodon typus) is the largest fish on Earth. They spend most of...
An illustration of a deep-sea dragonfish.
Photo

Deep-Sea Dragonfish

The deep-sea dragonfish (Stomiidae), also called the barbeled dragonfish, uses it's...
A photo of a lanternfish with its nasal light organ illuminated.
Photo

Lanternfish

This lanternfish (Diaphus sp.), found in the Red Sea, has light-producing...
The fluorescent shortnose greeneye fish.
Photo

A Shortnose Greeneye Fish Aglow

Under white light, this shortnose greeneye fish (Chlorophthalmus agassizi) looks...
Photograph of a transparent polka-dotted squid in the dark ocean.
Photo

Cockatoo Squid

This transparent cockatoo squid (Leachia sp.), also known as a glass squid, lives...
A fringe of tentacles surrounds the bell of this jellyfish (Halicreas minimum).
Photo

Midwater Jellyfish

A fringe of short tentacles surrounds the flattened bell of this tiny, transparent...
This fish is using counterillumination to disappear. At left it stands out against the light above it. At right, with bioluminescent structures lit, it blends in.
Photo

Fish Using Counterillumination

The fish at left stands out against the lighter waters above. At right the same...
This aptly named fish has two long fangs.
Photo

Fangtooth Fish

This aptly named fish (Anoplogaster cornuta) has long, menacing fangs, but the...

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  • Ocean Life
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    • Poles
    • Census of Marine Life
  • Planet Ocean
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  • Through Time
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