Today's Catch

Hermit crabs, like this one collected in Moorea, usually protect their soft, vulnerable abdomens from predators by reusing empty snail shells. This specimen shows the crab without its customary borrowed shelter.

Hermit Crab Without a Shell

Hermit crabs, like this one collected in Moorea, usually protect their soft, vulnerable abdomens from predators by reusing empty snail shells. They are picky home owners and they will trade shells with other crabs to get a better fit or a less...
Extreme close-up of great white shark skin denticles.

Biomimicry Shark Denticles

Great White Sharks are stealthy hunters and the secret is in their skin. Shark skin is covered by tiny flat V-shaped scales, called dermal denticles, that are more like teeth than fish scales. These denticles decrease drag and turbulence, allowing...
Photo of a mantis shrimp

Mantis Shrimp Carries Eggs

A mantis shrimp ( Odontodactylus scyllarus ) holds her clutch of eggs in her clubbed claws. Usually these claws are weapons that punch hard-shelled prey at speeds of more than 50 miles an hour. Mantis shrimp have compound stalked eyes that allow...
An underwater photo of Southern Bluefin Tuna swimming above a fish farm net.

Southern Bluefin Tuna (Thunnus maccoyii)

Largely due to overfishing, the Southern Bluefin Tuna is listed as " critically endangered ." If its population continues to decline, the species faces the possibility of extinction. It's not alone. Scientists classified the Atlantic Bluefin Tuna as...

Elephant Seals Tussle for Territory

Male northern elephant seals face off on the beach by vocalizing through their extended noses, called proboscises. Every winter, when the seals return to the beach where they were born to breed, males arrive first to tussle for territory. The...
An underwater photo of a yellow-mouth moray eel.

Yellow-mouth Moray Eel in the Red Sea (Eilat, Israel)

“ This moray eel was resting among some hard coral and was mesmerized by my dive lights, making it a very cooperative subject. The moray eel rhythmically opens and closes its mouth to move water through its gills and facilitate respiration, giving...
A Longspine seahorse off the coast of South Africa.

Longspine Seahorse

The longspine seahorse ( Hippocampus histrix ), named for the spines covering its body, has a long snout and eyes that move independently of each other. Like other seahorses, the male carries the eggs and gives birth. Check out some other seahorse...
The right whale Phoenix, and her calf, swimming off the coast of Florida.

Phoenix and Her Calf Sighted in February 2012

Phoenix, the North Atlantic right whale whose replica hangs from the ceiling of the Sant Ocean Hall at the National Museum of Natural History, was sighted with a calf off of Amelia Island in Florida on February 22, 2012. Phoenix was first sighted in...
A student helps deploy one of his school's adopted drifters for NOAA's Adopt a Drifter Program.

NOAA's Adopt a Drifter Program

NOAA is working with students across the globe to place floating buoys throughout the ocean through their Adopt a Drifter Program . The buoys will drift with the help of ocean currents and record the sea surface temperature and location of the buoy...
Rusticles on the HMS Titanic cover the hanging stern.

Bacteria Live in the Titanic Wreck

The Titanic's sinking around 100 years ago created a new underwater habitat for organisms: the wreck itself. One of these is a species of bacteria -- named Halomonas titanicae after the great ship -- that lives inside icicle-like growths of rust,...

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