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a deep sea jellyfish
Photo

Jellyfish from the Deep

A hydromedusa, seen at just over 12,800 feet and just above the seafloor along...
Tiny sponge spicules.
Photo

Sparkling Sponge Spicules

These sparkling sponge spicules are microscopic needle-like structures that many...
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...
In the X-ray image of this Viper Moray Eel (Enchelynassa canina), note the second set of jaws in the “throat”; these are the gill arches, which are present in all fish.
Photo

X-Ray Image of a Viper Moray Eel

In the X-ray image of this Viper Moray Eel (Enchelynassa canina), note the second...
Stephanocyathus (A.) spiniger, a solitary, deep-water stony coral species, has six long spines that slow it from sinking into soft substrates.
Photo

Solitary Deep-water Corals

These corals from the Smithsonian collections are Stephanocyathus (A.)...
Students working on a marine genetics project at the Indonesian Biodiversity Research Center in 2011.
Photo

Students Doing Marine Genetics

Students working on a marine genetics project at the Indonesian Biodiversity...
Smithsonian zoologist Dr. Steve Cairns named and described this deep-sea coral species, Stephanocyathus paliferus, now preserved at the National Museum of Natural History.
Photo

Corals at the Smithsonian

Smithsonian zoologist Dr. Steve Cairns named and described this deep-sea coral...
A submersible’s robotic arm collects gold coral in the Hawaiian Islands. Similar specimens have been dated at more than 2,700 years old.
Photo

Collecting Gold Coral from the Deep Sea

The robotic arm of a Pisces submersible collects a gold coral colony (Gerardia sp.)...
An artist sketches the preserved bones of a specimen in the Smithsonian's collection.
Photo

Flippers, Jawbones, and Blowholes: Marine Specimens Inspire Artists

Rachel Caauwe was one of a dozen artists who spent a recent Saturday sketching...
A sea star brought up from a benthic ROV dive.
Photo

Sea star, Captured by ROV

A sea star, Hymenaster pellucidus, brought up from a benthic ROV dive. View the...
Benthic scientists are interested in organisms on the seafloor.
Photo

The ‘Mud People'

Benthic scientists are interested in the creatures that live on and in the seafloor...
Oikopleura gorskyi is a rare deep-water species of larvacean
Photo

Deep-Water Larvacean

Found in Arctic waters, this rare deep-water species of larvacean, Oikopleura...

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