Search
The sea star Odontaster validus and sea urchin Sterechinus neumayeri are often found living in association with one another along the Antarctic coastline, here during the Census of Marine Life.
Overview

Sea Stars, Urchins, and Relatives

Read the Full Overview
Two nurse sharks hover over a baited cage
Lesson Plan

Oil, Oil Everywhere

Read the Full Overview
The "Lower Invertebrates" exhibit in Smithsonian Institution Building in 1901 included models of a giant squid and an octopus.
Article

Still Blue After a Century of Ocean Science and Exploration

Read the Full Article
Photograph of an oiled brown pelican squatting on the beach.
Article

Animals and the Oil Spill: What Can You Do?

Read the Full Article
A Caribbean hermit crab (Coenobita clypeatus) crawls on the forest floor.
Article

The Great Hermit Crab Migration

Read the Full Article
Looking through this iceberg's reflection in the Antarctic water, you can see the iceberg below the surface—some 90% of its total volume.
Overview

The Arctic and The Antarctic

Read the Full Overview
This male dancing fiddler crab (Uca terpsichores) has built a sand “hood” at the entrance to his burrow, which he hopes will attract females to his humble abode—as if that big beautiful claw of his weren't enough!
Article

The Design of a Beautiful Weapon

Read the Full Article
This male dancing fiddler crab (Uca terpsichores) has built a sand “hood” at the entrance to his burrow, which he hopes will attract females to his humble abode—as if that big beautiful claw of his weren't enough!
Photo

The Dancing Fiddler Crab Shows Off

View Image
green and red pom poms adorn a decorator crab
Article

Happy Crabby Holidays

Read the Full Article
Fish swim around the wreck of the HMT Bedfordshire, an Arctic fishing trawler that was converted into an anti-submarine warship during World War II, and sunk off the coast of North Carolina.
Article

Underwater WWII Wrecks – Pollution or Cultural Heritage?

Read the Full Article
An algal bloom, also known as a red tide, has converted the ocean's surf to a red color
Article

Scientists Work to Predict and Prevent Algae Blooms

Read the Full Article