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A coral has just spawned. Each of the hundreds of polyps releases a small pink bundle of sperm and eggs.
Article

A Tale of Sex and Stress in the Ocean

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A tiny yellow goby living inside an abandoned can on the seafloor; Suruga Bay, Japan
Slideshow

Image Gallery: The Perfect Underwater Photo

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Ocean Portal summer 2011 intern Brandon Adkins poses next to the aquarium in the Smithsonian's Sant Ocean Hall.
Article

An Intern Explores Ocean Careers

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Cover of the Book Citizens of the Sea
Article

Citizens of the Sea

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“On an afternoon dive, I spotted a small group of sweetlips in the current among a shoal of juvenile convict blennies. It took me some time to get close to the fish without spooking them. I took several frames but this one was my favorite because of the
Slideshow

Ocean Fish Pictures

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Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.
Slideshow

Endangered Ocean Animals

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A diver collects water samples.
Article

Ocean Sampling Day – Taking the Pulse of the World’s Oceans

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A "reef hotel" made of PVS layers on the seafloor.
Article

Worth the Investment: Ocean Real Estate Reveals Hidden Diversity

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Hurricane Katrina
Overview

Hurricanes, Typhoons, and Cyclones

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Human activity is increasing in the Arctic marine environment due to climate change. To help the most vulnerable areas, the Global Marine Program of IUCN, along with partners, is convening a series of workshops aimed at enhancing ecosystem-based management and identifying biologically or ecologically important or vulnerable habitats. Burgerbukta, a bay in Svalbard, Norway, is being managed for ecosystem protection.
Article

What is the Sea Ice Minimum? (And Why Do We Care)

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This 1874 illustration of California gray whales (Eschrichtius robustus) shows a group of individuals at the edge of their modern day range in the North Pacific Ocean, blocked from traveling further east into Arctic waters by thick ice barriers.
Article

In the Arctic, the Times, They Are a-Changin: You Can Pitch in to Understand How

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