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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...
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Bioluminescence is one of the more captivating adaptations that have evolved in...
Scientists describe the amazing bioluminescent creatures they encounter as they...
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The open ocean is surprisingly barren to the naked eye. Every now and again you...

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The Pacific hagfish ( Eptatretus stoutii ), a fish that looks similar to an eel, has no jaw and is totally blind. They find food, often dead fish, through a specialized sense of smell and, because they can absorb nutrients...
By diving in the Curasub, Smithsonian researchers with the Deep Reef...
The long barbel on the chin of this dragonfish ( Stomias boa ) has a glowing...

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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...
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...
Follow a journey with satellite tags placed on bull sharks and tarpon. Both of these large predatory fish are found in coastal in-shore ecosystems and the two species have similar diets. If given the...
By diving in the Curasub, Smithsonian researchers with the Deep Reef Observation Project (DROP) have discovered a new species of tiny fish in the biodiversity-rich waters of the southern Caribbean...
Bioluminescence is one of the more captivating adaptations that have evolved in marine animals. It's the ability of organisms to create and emit light. Dive underwater and you may witness lightshows...
Ocean creatures may not sing carols and go ice skating, but some celebrate the winter holidays all year round! So turn on the “Jingle Shell Rock” and celebrate with these intriguing ocean animals.
Imagine eating an entire fish bigger than you—bones and all! At only 25 cm long, the black swallower often eats fish much larger than itself with the help of an expanding stomach. Sometimes the meal...
Fish spears and fish weirs—fish traps placed in rivers—are traditional ways of catching salmon on rivers. More about raven spirit can be found in our Raven Spirit featured story.
This bait ball shows how small fish can react when larger predators are near by gathering tightly together in a ball-like formation that exposes the least number of fish. Fish species found in the...
This offshore cage is stocked with 70,000 Pacific threadfin ( Polydactylus sexfilis ), or moi. Aquaculture can provide a sustainable way to satisfy the demand for this Hawaiian delicacy, once...
This fish’s tail looks like a long streamer. It lives near the ocean’s surface and grows only up to 45 mm (1.7 in) long. Find out how this fish was part of an international scientific mystery.
Under white light, this shortnose greeneye fish ( Chlorophthalmus agassizi ) looks unimpressive. But, in dim blue light—the type usually seen at depth—it shows its true fluorescent colors. NOAA...
Gobies make up the largest family ( Gobiidae ) of fishes in the world, with over 2,000 species. In this large family you can also find the smallest fish. The gobies in this photo are about one inch...
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...
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...
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...
Two large coral trout ( Plectropomus leopardus ) swim through a coral reef on Taveuni Island in Fiji. Coral trout are highly desired fish for human consumption, and because of overfishing, are...
The long silver tool shown here is a piece of traditional Australian fishing gear called a “yabbie pump.” Researchers use the device to collect burrowing shrimp and other fast-moving animals from the...
The sargassum frogfish Histrio histrio (Antennariidae) is a small but voracious predator - it can ingest animals up to it’s own size! The fins of the frogfish are perfect for creeping around in the...
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