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  • Photo (8)
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  • Personal Perspectives (2)

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  • (-) Reproduction (13)
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A Pontoh pygmy seahorse
slideshow

10 Things You Never Knew About Seahorses

  By Lindsay Aylesworth, Project Seahorse The day I stepped into my...
Wed, 01/02/2013 - 12:01
Screenshot from video "Connecting Coral Reefs" showing illustrations of an underwater coral community.
video

Connecting Coral Reefs

Coral reefs are some of the most endangered ecosystems on the planet that are home...
Wed, 11/15/2017 - 09:37
This purple urchin Paleopneustes cristatus is seldom seen by itself, and can be found in groups of hundreds.
Photo

Purple Sea Urchin

This purple urchin Paleopneustes cristatus is seldom seen by itself, and...
The small larvae of elkhorn coral (Acropora palmata) settle and grow on the crustose coralline algae species Hydrolithon boergesenii.
Photo

Coral Larvae Settling

The small larvae of elkhorn coral (Acropora palmata) settle and grow on the...
The weedy sea dragon male can hold around 250 eggs in his pouch.
Photo

The Dragon of the Sea

Just like other seahorse species, male weedy sea dragons are the ones to get...
A pair of French Angelfish (Pomacanthus paru) swim off the coast of Brazil.
Photo

Pair of Angelfish

A pair of French Angelfish (Pomacanthus paru) swim off the coast of Brazil. This...
A purple hard coral releases bundles of pink eggs glued together with sperm.
Photo

Coral Spawning

Corals are sedentery animals, so how do they reproduce? One way is sexually through...
What is coral? The answer is coral is an animal. This cutaway diagram of a coral polyp shows the location of its photosynthetic algae, or zooxanthellae, which coral needs to survive.
Photo

What Is Coral? A Coral Polyp and Zooxanthellae

What are corals? Corals themselves are animals. But tropical reef-building corals...
Two coral trout swim on a reef in Fiji.

Having Your Fish and Eating Them Too

A special type of marine protected area (MPA) called a “no-take zone” bans the...
June 2013
Pink crustose algae covers the surface of a rock.
Personal Perspectives

Microbes Help Corals Pick a Home and Settle Down

Bacteria are everywhere in the ocean. They live in the water, on virtually every...
July 2014
Pink crustose algae covers the surface of a rock.
Photo

Encrusting Pink Algae and a Seastar

Like pink paint, crustose coralline algae covers the surface of the rock in a thin...
A coral has just spawned. Each of the hundreds of polyps releases a small pink bundle of sperm and eggs.
Personal Perspectives

A Tale of Sex and Stress in the Ocean

Welcome to Citizens of the Sea, a new blog series where ocean life comes to life....
October 2010

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    • Invertebrates
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    • Census of Marine Life
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