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During the 2012 field season of the Deep Reef Observation Project (DROP) in Curaçao, Smithsonian scientists collected many specimens with the help of the Curasub . Prospective new species were caught on almost every...
Can painted wooden fish on a schoolyard fence change human behavior and help...
Extinction is a real possibility for three species of tunas. That’s one of the...
Starksia blennies, small coral reef fish with elongated bodies, have been well-...

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The Palauan primitive cave eel ( Protanguilla palau ) has an evolutionary history that dates back some 200 million years . Because of this and the fact that it has retained some primitive features, scientists are recognizing it...
This bait ball shows how small fish can react when larger predators are near...
The whitish spots on this fish are individual parasitic trematode worms...

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By Lindsay Aylesworth, Project Seahorse The day I stepped into my wetsuit, donned my mask, and embarked on my first scuba...

The Ocean Blog

These candy cane snapping shrimp ( Alpheus randalli ) have a pretty nice set up. They share their living space with goby fish, helping the fish dig and maintain the burrow that they share in the...
By Lindsay Aylesworth, Project Seahorse The day I stepped into my wetsuit, donned my mask, and embarked on my first scuba dive was the day I decided to be a marine biologist. Little did I know that...
This bluefin trevally is lucky to call Hawaii’s Maro Coral Reef, part of the Papahānaumokuākea Marine National Monument , its home. Maro is the largest reef in the Northwest Hawaiian Islands and just...
The sargassum fish ( Histrio histrio ) is a member of the frogfish family (Antennariidae) and typically lives in open waters near floating sargassum seaweed, which offers camouflage. Although capable...
These statistics come from a United Nations Food & Agriculture Organization 2007 review of the status of global fish stocks. Learn more in our Sustainable Seafood section .
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 .
A Tapetail is caught on film while swimming over a coral reef off the coast of Japan. Learn more about this unusual organism -- and how it was used to solve a taxonomic mystery .
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...
This shadowy fish, Trematomus bernacchii , is well adapted to the ice-cold water of the Antarctic: its blood comes equipped with natural antifreeze. This is a necessary adaptation because the...
What is it like to be eyeball to eyeball with a fish the size of a Volkswagen? In this episode of the Podcast of Life , learn how a tuna fisherman and a biologist are teaming up to tag bluefin tuna...
Scientists describe the amazing bioluminescent creatures they encounter as they descend into the deep--siphonophores, ctenophores, and viperfish--in this Smithsonian/History Channel "Deep Ocean...
A tiny yellow goby, Lubricogobius exiguus , living inside an abandoned can on the seafloor; Suruga Bay, Japan
Hardy head silversides ( Atherinomorus lacunosus ) are abundant fish in shallow water seagrass meadows throughout the Indo-Pacific that often form shoals. They feed primarily on zooplankton and small...
From parrotfish that cover themselves in a blanket of their own mucus to tiny pygmy sea horses, there are some bizarre sea creatures that live in coral reefs . In this slideshow you can explore some...
The majestic and highly predatory red lionfish ( Pterois volitans ) , native to the Indo-Pacific, is invading Atlantic waters. The lionfish is a popular home aquarium species, and some were most...
In 1895, two Smithsonian scientists described a new kind of deep sea creature, which they named the “whalefish.” Little did they know, this fish would become one of the prime suspects in an...
When you think of African animals, what do you think of? Probably the “Big Five:” lions, elephants, leopards, buffalo and rhinos. But Africa also has an incredible amount of marine diversity in the...
These beautiful mandarinfish ( Synchiropus splendidus ) are covered in bright blue, red, yellow and orange waves. What they lack, however, are traditional fish scales. They live in western Pacific...
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