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Extinction is a real possibility for three species of tunas. That’s one of the messages from a new study released today online in the journal Science . Researchers assessed the range and populations of...
Starksia blennies, small coral reef fish with elongated bodies, have been well-...
CREDIT: Chris Kenaley The Mystery Develops Flash forward to 1956, when...
The majestic and highly predatory red lionfish ( Pterois volitans ) , native to...

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Starksia blennies, small fish with elongated bodies, generally native to shallow to moderately deep rock and coral reefs in the western Atlantic and eastern Pacific oceans, have been well-studied for more than 100 years. It would...
Follow a journey with satellite tags placed on bull sharks and tarpon. Both...
When most people think of catfish, they think of a freshwater fish. But the...

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Dr. Carole Baldwin never expected to find seven new species of fish among the Starskia blennies she was studying at the...

The Ocean Blog

The pearly razorfish’s name may be slightly misleading since it is neither as rare as a pearl nor as dangerous as a razor. It is a common fish that tends to live in clear shallow areas near seagrass...
Smithsonian researchers collected a cave basslet ( Liopropoma mowbrayi ) from the deep reefs of Curaçao , in the southern Caribbean. They used a state-of-the-art submersible to obtain the specimen...
Blackdevil fish ( Melanocetus johnsonii ) are quintessential monsters from the deep . The female lurks in the dark, drawing in prey with her glowing lure, while the male attaches to her like a blood-...
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,...
Arctic cod have a special protein that keeps their blood from freezing in ice-cold Arctic waters.
Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns from the Smithsonian field site in Belize. Together with Dan Barshis of Stanford University, Seabird reports on the...
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...
Scientists are excited when they discover an animal where they had never seen it before. This eelpout fish, Lycodes adolfi, was seen on the Pacific side of the Arctic in 2009. Previously, scientists...
A yellow moray eel, Gymnothorax prasinus , inside of a sea sponge in the waters off of Poor Knights Islands, New Zealand. Photographer Brian Skerry takes an artistic eye to his underwater photography...
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...
Everyone knows what a fish is: from a pet goldfish to a wild sunfish, fish are globally recognized and are an important global protein source. In this slideshow, we will look at some of the most...
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...
The deep-sea dragonfish ( Stomiidae ), also called the barbeled dragonfish, uses it's fang-like teeth to grab prey in its deep-sea environment . Like other deep-sea organisms, dragonfish have...
Check out the eyes on these Hawaiian squirrelfish ( Sargocentron xantherythrum )! Because squirrelfish are almost entirely nocturnal, they need big eyes to absorb as much moonlight and starlight as...
Salmon are one of the most widely loved varieties of seafood in the world. A ubiquitous alternative to meat and poultry, salmon wear a halo of healthfulness, as they are rich in protein and omega-3...
The elongated body, characteristic long and narrow snout, and small teeth make the slender snipe eel ( Nemichthys scolopaceus ) easily identifiable in this X-ray image. Snipe eels live at great...
When most people think of catfish, they think of a freshwater fish. But the striped eel catfish ( Plotosus lineatus ) is found in marine systems including coral reefs, estuaries, tide pools and other...
Much like our friend the seahorse , the males of this fish raise the young. As you can see in the photograph above, the male has his clutch of eggs in his mouth. This species ( Opistognathus...
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