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two mangrove trees in the crashing waves
overview

Mangroves

Mangroves are survivors. With their roots submerged in water, mangrove trees thrive...
April 2018
Fish swim in Cabo Pulmo Marine Reserve off the Baja California peninsula.
overview

How Laws Around the World Help Improve Ocean Health

Solving environmental problems often starts with small groups of people working to...
April 2018
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...
April 2018
Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.
overview

Seagrass and Seagrass Beds

Seagrasses are found in shallow salty and brackish waters in many parts of the...
April 2018
A pink, white and black colored boxing crab holds two anemones in its claws.
Photo

Boxing Crab

The boxer crab or pom-pom crab gets its name from the two anemones it holds in...
A purple jellyfish
Photo

Stinging Beauty

Don't let this jellyfish's beauty fool you—even glancing one of...
The mauve stinger is a glowing jellyfish.
Photo

Glowing Mauve

The mauve stinger’s (Pelagia noctiluca) name in German means “night light,”...
The Japanese spider crab may be big but it is not invincible.
Photo

Japanese Spider Crab

The Japanese spider crab is a large catch for any fisherman. With a leg span of 13...
The giant pacific octopus can grow up to 600 pounds!
Photo

Revealing the Largest Octopus

Weighing 600 pounds (around 272kg) and having a 30 foot (around 9 meters) arm span,...
Two of the worlds largest jellyfish, the lions mane jellyfish, float together.
Photo

Extreme Jellyfish

The lion’s mane jellyfish (Cyanea capillata) is the largest among the jelly...
The blue lined octopus can be deadly, so it is best to stay away.
Photo

The Dangerous Blue Octopus

The blue-lined octopus may be small, growing to at most 15 cm, but it can be...
Bright colors seem to jump off of this comb jelly, or ctenophore.
Photo

Floating Antarctic Comb Jelly

Bright colors seem to jump off of this comb jelly, or ctenophore. The rainbow...

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