Today's Catch

A photo of a solitary European green crab on a sandy substrate.

European Green Crab (Carcinus maenas)

The European green crab ( Carcinus maenas ) has spread far beyond its native continent, to waters off North and South America, Asia and Australia. It's a voracious eater and poses a nuisance to shellfish farmers. Invasive species have various means...
An unidentified moray eel held in researcher's hands.

A Baby Moray Eel, or a Really Small Adult?

This is an unidentified moray eel , collected from 650 feet off the coast of Curacao. Morays are very secretive animals that tend to stay hidden in caves and crevices. Researchers with the Deep Reef Observation Project (DROP) don't yet know if this...

Cuttlefish in Seagrass Bed

Squids, octopuses and cuttlefish, such as this Australian Giant Cuttlefish ( Sepia apama ), compose just one group of animals that call seagrass beds home. Clams and worms bury themselves in the mud or sandy ground. Anemones, sponges, algae and...

Octopus Shows Off Its Siphon

This common octopus ( Octopus vulgaris ) doesn't have a jetpack to help him zoom through the water, but he's got something pretty close: a siphon that shoots water. (It's the little orange/yellow cup in the picture.) Octopuses pull water into their...
North Atlantic right whales were long hunted for their baleen—the fringed plates hanging in their mouths that they use to strain the seawater for food. Baleen was used in a number of consumer products, such as corsets.

Whale Baleen from a Dead Whale

Whalers hunted right whales for their blubber, which could be turned into oil to burn in lamps or make soap, and their baleen. Baleen is the series of fringed plates hanging in their mouths that they use to strain the seawater for food. Baleen was...
he pineapplefish has glowing organs that can be used to find prey at night.

I Found the Pineapple!

Is that fruit swimming in the ocean? Well it may look like fruit, but it's actually a pineapplefish ( Cleidopus gloriamaris ). Like the hard outer part of a pineapple, this fish also has an outer shell made of pineapple-like yellow scales. But that...
Photograph of many tiny transparent larval squid surrounding the head of a dissecting pin.

Squid Babies

These newly hatched arrow squid larvae ( Doryteuthis plei ) are each tinier than the head a pin. Free from their yolk sac, they will drift with the current out to sea as zooplankton. Many animals eat zooplankton, so few will survive to adulthood and...

Blackwater Drifting

Some of the most otherworldly animals—like those straight from a science fiction story—can be seen in the open ocean at night. By drifting in the blackwater in a scuba suit just under the surface, some 60 to 70 feet below, divers can film some of...
A blue cod and sea pens, a unique type of cnidarian, speckle the seafloor in New Zealand's Fiordland region.

Blue Cod Amongst Sea Pens

A blue cod and sea pens , a unique type of cnidarian , speckle the seafloor in New Zealand's Fiordland region.You can see more beautiful underwater photos from Brian Skerry in his image gallery .

Time Lapse Construction of the Smithsonian's Sant Ocean Hall

Watch the Smithsonian's Sant Ocean Hall come to life in this two minute time lapse video. The Sant Ocean Hall is the National Museum of Natural History's largest exhibit, providing visitors with a unique and breathtaking introduction to the majesty...

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