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Fish have certain adaptations, like blood with built-in antifreeze, to survive in the Antarctic.
Photo

Fish Adapt to Icy Water

This shadowy fish, Trematomus bernacchii, is well adapted to the ice-cold...
Weddell seals grind their teeth on holes in the ice to keep them open to their comings and goings between ocean and air.
Photo

Weddell Seal in Antarctic Water

Weddell seals grind their teeth on holes in the ice to keep them open to their...
A rendering of an underwater marine scene from the Cambrian Period, featuring an arthropod, annelids, and other animals.
Photo

Cambrian Period (542 – 488 Million Years Ago)

The basic body plans of all modern animals were set during the Cambrian Period, 542...
An amphipod within Arctic sea ice.
Photo

Amphipod Under Arctic Sea Ice

Several species of amphipod like this one, Gammarus wilkitzkii, live permanently...
Extreme close-up of great white shark skin denticles.
Photo

Biomimicry Shark Denticles

Great White Sharks are stealthy hunters and the secret is in their skin. Shark skin...
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...
Color illustration of an ancient bivalve.
Photo

Elevator Rudists

These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...
Two nurse sharks hover over a baited cage
Lesson Plan

Head to Foot

The lesson begins with a broader introduction on new species discovered around...
Tue, 11/24/2009 - 11:48
/themes/custom/a_clean_ocean
A screenshot from the video showing a fiddler crab with a large claw.
video

Claws Out: Fiddler Crabs Do Battle

Male fiddler crabs each have a single super-sized claw that they use as a weapon to...
Tue, 09/03/2013 - 16:18
A screenshot from the video showing a Palauan primitive cave eel.
video

Video of the Palauan primitive cave eel (Protanguilla palau)

A video of the Palauan primitive cave eel (Protanguilla palau) swimming in the...
Tue, 08/16/2011 - 14:31
A pair of sea butterflies float in the Arctic ocean.
Photo

A Pair of Sea Butterflies

This pair of sea butterflies (Limacina helicina) flutter not far from the ocean's...
Arctic cod have a special protein that warms their blood.
Photo

Arctic Cod Under Ice

Arctic cod have a special protein that keeps their blood from freezing in ice-cold...
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