Today's Catch

Emperor Penguin Chick with Mother

Emperor Penguin Chick with Mother

An emperor penguin chick ( Aptenodytes forsteri ) huddles under its mother's legs to keep warm in the long Antarctic winter. Learn more about research on emperor penguins and other Antarctic creatures .
Chimaera from the Deep

Chimaera from the Deep

This rarely-seen smalleyed rabbitfish ( Hydrolagus affinis ), belonging to the order of Chimaera, was caught during a research trip to the Mid-Atlantic Ridge in 2004 sponsored by the Census of Marine Life . In Greek mythology, chimeras were beasts...
Light refracts off the comb-rows of this ctenophore.

Comb Jelly Reflecting Colors

Light refracts off the comb-rows of the Mertensia ovum , a ctenophore , producing stripes of rainbow colors . The jelly eats copepods and small crustaceans that become stuck to its sticky tentacles. View the “Under Arctic Ice” photo essay to learn...
The rich colors of emperor angelfish make them a vibrant version of royalty.

Emperor Angelfish

The rich colors of emperor angelfish make them a vibrant version of royalty. They are curious fish that will come and greet their human visitors. However this unique coloring is not shared with all ages. Young emperor angelfish, like the one in this...

The Smithsonian Marine Collections

A behind the scenes look at the NMNH ocean-related collections and their importance to research and discovery.
Two Adélie penguins on Paulet Island, Antarctica

Adélie Penguins, Paulet Island, Antarctica

“As we motored around Paulet Island in a Zodiac boat, these two curious penguins waddled across an iceberg to get a closer look at us.” -- Nature's Best photographer, Phillip Colla . See more beautiful ocean photos in our slideshow of winners from...
Calanus hyperboerus is the preferred food for Bowhead whales.

Arctic Copepod

This copepod Calanus hyperboreus (up to 7mm in length) lives in the Arctic , usually within 500 meters of the surface. To survive the cold Arctic winters, Calanus hyperboreus builds up dense fat (lipid) supplies on its body, which makes it a...
A manatee swims in Crystal River, Florida.

Florida Manatee in a Fresh Water Spring

Florida Manatee ( Trichechus manatus latirostris ) swimming within a fresh water spring on Crystal River in Florida. Note the tree roots on the right of the frame which make up a portion of this unique ecosystem. Fish aggregate around the manatee...
Spotfin lionfish in Caribbean waters

Spotfin Lionfish

The spotfin lionfish ( Pterois antennata ), with venomous spines extended, is native to Indo-Pacific reefs. Certain lionfish species have invaded reefs in Florida, the Caribbean and are moving up the Atlantic coast. The native Pacific fish probably...
Notice the pink tentacles, which “recliners” used to filter feed.

Recliner Rudists

Where ocean currents were strong, ancient rudist “recliners” lay unattached on the seabed. Notice the pink tentacles, which were used to filter feed. Learn more about ocean life throughout deep time in our Ocean Over Time interactive or an image...