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Fish Heart Out of Water

Under the lens of a microscope—in a shallow, glass well—spindly orbs pulse at...

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Marine World Heritage Photo Gallery

Marine World Heritage is a prestigious list of 43 marine ecosystems and...

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Bioluminescent Animals Photo Gallery

Bioluminescence is one of the more captivating adaptations that have evolved in...

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Bizarre and Beautiful Coral Reef Animals

From parrotfish that cover themselves in a blanket of their own mucus to tiny pygmy...

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Creepy Critters: Marine Life Surfaces for Halloween

Claws, spines, spikes, tentacles, and fangs. Aliens, monsters, and ghostly...

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X-Rays of Fish Reveal Diversity

Scientists in the Division of Fishes at the Smithsonian's National Museum of...

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Deep Sea Dreamers

A dreamer is not only the term for someone with aspirations and goals, it is also a...

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Spin Hagfish Slime into Silk

Believe it or not, this unraveling thread is from hagfish slime. Hagfish are...

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Close-Up of Dover Sole Skin

This close-up of the skin of dover sole (Solea solea) masks its true ability: to...

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X-Ray Image of a Tropical Hatchetfish

Tropical hatchetfish (Argyropelecus lychnus), like the one shown in this X-ray...

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X-Ray Image of a Viper Moray Eel

In the X-ray image of this Viper Moray Eel (Enchelynassa canina), note the second...

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X-Ray Image of a Smalltooth Sawfish

The long toothy rostrum or “saw” gives sawfish their common name. They use the...