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A squat lobster and blackbelly rosefish find shelter on a Lophelia pertusa coral reef off the southeastern United States.
overview

Deep-sea Corals

 It may be the last place you’d expect to find corals—up to 6,000 m (20,000 ft)...
Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
overview

Corals and Coral Reefs

 Coral reefs are the most diverse of all marine ecosystems. They teem with life,...
Japanese scientists videotaped this female giant squid, alive, at the water's surface
overview

Giant Squid

 Giant squid live up to their name: the largest giant squid ever recorded by...
On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
overview

Sea Level Rise

 The ocean never stops moving. When you visit the beach, waves roll in and recede...
A shell placed in seawater with increased acidity slowly dissolves over 45 days.
overview

Ocean Acidification

 Ocean acidification is sometimes called “climate change’s equally evil twin,”...
A photo of a squid using bioluminescence to hide in the deep sea.
overview

Bioluminescence

 You may have seen the sparkle of fireflies on a summer’s night. The fireflies...
A shimmering bobtail squid.
Photo

Bobtail Squid Shimmers

 Within hours of birth, the Hawaiian bobtail squid attracts bioluminescent bacteria,...
Larvae sea bass looking at the adult version of itself with a black background.
Photo

Are You My Mommy?

 Human infants often already resemble their parents. Visitors coo, "Oh, she has your...