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Have you ever seen a creature so unusual? This fish (22 cm long) is called a sea toad and studying them requires luck and the opportunity to descend into the deep waters where they...
Can painted wooden fish on a schoolyard fence change human behavior and help...
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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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For centuries, the Baltic Sea has provided European flounder ( Platichthys flesus ) and other fish for millions of people to consume. Since the early 1980s, the nations surrounding the sea have coordinated their efforts to...
The rich colors of emperor angelfish make them a vibrant version of royalty...
Human infants often already resemble their parents. Visitors coo, "Oh, she...

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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...
So far, researchers have developed DNA barcodes to accurately identify 4,600 of the more than 29,000 known fish species. Atlantic cod is an economically important fisheries species. However, it's...
The whitish spots on this fish are individual parasitic trematode worms. Trematodes have complicated life cycles that usually involve multiple hosts -- often starting in a snail and then moving on to...
Imagine if a fish at the market could tell you where it came from; what would it say? "I came from a world of drifters," says one fish in this video. The world of drifters is the world of zooplankton...
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...
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.
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...
CREDIT: Wikimedia User “Fisherman” Because of consumer demand for sashimi (a fresh raw seafood dish), the fishing pressure on Atlantic bluefin tuna is extraordinarily high. The sale of a single...
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...
The ghoulish “blob sculpin” ( Psychrolutes phrictus ) , a deepwater fish found off the Pacific coast of the U.S. from the Bering Sea to Southern California, can grow to about 70 cm (more than two...
A wrought iron butterflyfish , Chaetodon daedalma , being cleaned by a small wrasse in the waters of Japan's Ogasawara Islands.
"Macro shot of a whip coral goby, taken in Fiji during a trip to the Somosomo Strait," wrote Erwin Poliakoff of his image , a winning selection in the Portraits of Planet Ocean Flickr contest . Whip...
The robust oval, spine covered body of a long-spined porcupine fish ( Diodon holocanthus ) is revealed in this X-ray image. To ward off predators, a porcupinefish inflates its body by pumping water...
Lionfish, or Pterois , are a deadly type of fish that live around reefs, although they are native to the Indo-Pacific region. These fish have been known to be invasive, and with no natural predators...
In the early 1990s, the annual commercial harvest of Atlantic bluefin tuna doubled, reaching a peak of 25 kilograms (55 million pounds). More about sustainable seafood can be found in our Sustainable...
A few years ago, I was in New Zealand photographing a story about the value of marine reserves (a type of marine protected area ). My last location was a place called the Poor Knights Islands , a...
A tiny yellow goby, Lubricogobius exiguus , living inside an abandoned can on the seafloor; Suruga Bay, Japan
This guineafowl moray ( Gymnothorax meleagris ) is one of about 200 species of moray eels found in tropical and subtropical coral reefs . Moray eels are a type of bony fish. Many species, like this...
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...
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