Today's Catch

A photo of a lanternfish with its nasal light organ illuminated.

Lanternfish

This lanternfish ( Diaphus sp .), found in the Red Sea, has light-producing photophores along its ventral surface (belly), and a nasal light organ that acts like a headlight. Hear scientists tell stories about encountering bioluminescent marine...
An Isopod Full of Fish Blood

Isopod Engorged With Blood

Isopods (small, shrimp-like animals) like this one ( Gnathia aureusmaculosa ) are the mosquitoes of the sea, sucking the blood of fish while they sleep. Find out more in " No Fouling Around " from the Citizens of the Sea blog series.
The “Dumbo Octopod” swims by moving its fins, pulsing its webbed arms, or pushing water through its funnel for jet propulsion.

Grimpoteuthis, The Dumbo Octopus

The dumbo octopus ( Grimpoteuthis ) is a deep sea animal that lives on the ocean floor at extreme depths of 9,800 to 13,000 feet. They are small animals, around 8 inches tall, and have a pair of fins located on their mantle—their namesake—and...
Photograph from above of a lavender-colored sea-slug with deep purple markings, swimming above a pink and orange surface.

Purple Nudibranch

The feathery strands at the back of this nudibranch’s ( Chromodoris willani ) body are no mere adornment: they’re its gills! Nudibranchs, shell-less snails or sea slugs, are named for these tufted gills, as "nudibranch" comes from Latin and Greek...

Coral Goby Cleans Coral

One of the first signs of a sick coral reef is seaweed creeping across the corals, stealing their precious sunny real estate. Healthy corals, however, aren't completely hopeless: in some reefs, small fishes, such as this broad-barred goby ( Gobiodon...

Hurricane Sandy "Frankenstorm" Over Cuba

What do you get when you mix together a hurricane, the remnants of a wintry midwestern storm, and cold Arctic air? The " Frankenstorm ," which is what the US National Weather Service renamed Hurricane Sandy as it approached the US east coast during...
Coral Sand

Coral Sand Under a Microscope

Coral sand is aptly named: it's sand made up of tiny bits of coral and other ocean animals such as foraminifera , molluscs, and crustaceans. This image, taken at 100x zoom, took 18th place in the 2012 Nikon Small World photomicrography competition.
Red coral necklaces in a display window. Harvesting deep-sea coral to produce jewelry like this threatens these ecosystems.

Coral for Sale

Red coral necklaces fill a store display window. The United States annually imports around one million live coral animals from tropical reefs for use in aquariums, and is the largest documented consumer of precious red coral, commonly used in...
New deep sea expeditions reveal new species underwater.

New Jelly Species: 'Bathykorus bouilloni'

Many expeditions in the Arctic reveal new species, such as this jellyfi sh Bathykorus bouilloni , which, strangely, has only four tentacles! Dr. Kevin Raskoff from California State University, Monterey Bay first captured one in the deep Arctic in...
The tough serrated ring around the opening grips the squid’s prey.

Giant Squid Sucker

This close-up photo shows the tough, serrated ring around the opening of a giant squid sucker. The ring is made of chitin—the same material that’s in your fingernails. Using suction, the sucker tightly grips the squid’s prey. The ring digs into the...

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