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A photo of a squid using bioluminescence to hide in the deep sea.
Overview

Bioluminescence

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A photo of zebra mussels clinging together, the mollusks have successfully invaded brackish and freshwater areas across North America.
Photo

Zebra Mussels (Dreissena polymorpha)

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“It’s quite normal for this type of goby to sit still on hard coral like this. I spotted the first of these very small fish and set up my camera for the shot. Just as I was about to take a picture, a second goby came out of nowhere and sat on the first
Photo

Gobies on Coral, Near Marsa Alam, Egypt

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“The male weedy seadragon is entrusted with the pink, fertilized eggs once mating has been completed. It is his task to incubate them until their hatching, approximately eight weeks later. The day this photo was taken, the weather and conditions were unu
Photo

Weedy Seadragon, Flinders pier, Flinders, Victoria, Australia

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A sea toad from the deep waters off of Curacao.
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Sea Toad Specimen from Caribbean

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A veined octopus sits inside a vacant bivalve shell, which it uses as a portable shelter, in the Philippines. This is one of the few examples—if not the only example—of tool use in invertebrates.
Photo

Veined Octopus at Anilao Batangas Pier, Philippines

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Illustration of a four-legged proto-whale with webbed feet.
Photo

Early Whale with Webbed Feet

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Hedbergella sliteri - this specific specimen is the "holotype" for this species. That means it is the reference point for what all members of the species should look like.
Photo

Hedbergella sliteri

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Dolphins swimming among oily patches in the Gulf of Mexico
Photo

Dolphins Swim in Oily Waters

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The fluorescent shortnose greeneye fish.
Photo

A Shortnose Greeneye Fish Aglow

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Caribbean reef sharks swim over a coral reef in the Bahamas.
Photo

Caribbean Reef Shark

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This aptly named fish has two long fangs.
Slideshow

Creepy Critters: Marine Life Surfaces for Halloween

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