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Squalicorax shark fossil from the Smithsonian
Photo

Squalicorax Shark Fossil

During the late Cretaceous period, Kansas was covered by a vast sea. There,...
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...
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.)...
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.)...
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...
Male copepods are distinctly different from female copepods.
Photo

Male Copepod

In many species of copepods, males are rare and short-lived. This male of...
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...
A deep-water larvacean (aka “sea tadpole”) inside its home.
Photo

Deep-Water Larvacean, or “Sea-Tadpole”

In the icy waters of the Arctic, a deep-water larvacean (aka “sea tadpole”...
Scientists use this box corer to study marine life.
Photo

Launching a Box Corer

To learn more about the creatures living on the Arctic seafloor, scientists use a...
Scientists use a multinet to collect zooplankton.
Photo

Launching a Multinet

Scientists use a multinet to collect Arctic zooplankton samples from...
Geologist Charles Paull (Monterey Bay Aquarium Research Institute) investigates geologic features similar to pingos on the Arctic Ocean floor where methane bubbles through sediments and forms hundreds of low hills. On land, a pingo is a place where permafrost bulges beneath a dried lake bed like this one in northern Canada.
Photo

Ocean “Pingos”

Geologist Charles Paull (Monterey Bay Aquarium Research Institute) investigates...
The giant squid’s enormous eyes help it find prey in the dark ocean depths.
Photo

Largest Eye in the World, Giant Squid

Giant squid have the largest eye in the animal kingdom. At up to 10 inches in...

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