Today's Catch

West Indian Manatee

West Indian Manatee Portrait

West Indian Manatees, Trichechus manatus , are found in warm, shallow coastal ecosystems along the southeastern North America and northeastern South America. They graze plants in mangrove ecosystems and seagrass beds , occasionally eating small fish...

Searching for Crustaceans in the Deep Sea

In this video Smithsonian research zoologist Dr. Martha Nizinski takes viewers with her as she searches for crustaceans in the deep sea . She's particularly interested in finding squat lobsters , which despite their name, are actually crabs. On this...
Colorful crustaceans from the Caribbean island of Guadeloupe.

Colorful Caribbean Crustaceans

Discovering new species is an exciting quest, right? Well, some parts are—but after you find a cool-looking organism that you think is a new species, there's a lot more to be done. You have to confirm that it's new, write a detailed description,...

Climate Change Effects on Glaciers and Ice Sheets

How will changes in temperature affect glaciers and ice sheets? Dr. Sarah Das from the Woods Hole Oceanographic Institution explores this phenomenon first hand in Greenland, where she studies how the melted ice travels through glaciers and out to...

Kemp's Ridley Nesting "Arribada"

Every year, at the same place and time, thousands of female Kemp's ridley sea turtles ( Lepidochelys kempii ) come ashore to nest and lay their eggs on the beach. This mass nesting event is known as an arribada, meaning “arrival by sea” in Spanish....
A Pair of Octopuses

A Pair of Octopuses

Not only can octopuses change the color of their skin, they can also change the texture. Note the bumpy texture of the octopus on the left compared to the smooth skin of the octopus on the right.
A blue crab on the Mid-Atlantic coast of the U.S.

Coastal Blue Crab

The blue crab ( Callinectes sapidus ) is one of the most important commercial species in the United States, especially in the Chesapeake Bay region on the Mid-Atlantic coast. Its populations are affected by local water quality, overfishing,...
A wave curls near the shore.

The Importance of a Wave

Large waves are a draw for surfers, scientists and spectators alike to locations around the world. Changes to the coast and ocean floor as well as sediment flow can change the nature of a wave as it reaches shore. So when three condos were going to...

Protected Pigfish and Mao-Mao School

Red Pigfish ( Bodianus unimaculatus ) and Blue Mao-Mao ( Scorpis violacea ) school at the edge of a cavern in New Zealand's Poor Knights Islands. Read photographer Brian Skerry's story behind this photo on the Ocean Portal blog.
Sea Turtle

Green Sea Turtle

A diet of algae and seagrasses gives this turtle ( Chelonia mydas ) greenish colored fat—and its name. Weighing as much as 500 pounds, the threatened green sea turtle lives its life at sea, with only females coming to shore to lay eggs. See a...