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CREDIT: Chris Kenaley The Mystery Develops Flash forward to 1956, when scientists described another new kind of fish. It was named the tapetail because of its long, streamer-like tail. It also had a large...
The majestic and highly predatory red lionfish ( Pterois volitans ) , native to...
Salmon are one of the most widely loved varieties of seafood in the world. A...
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Bioluminescence is one of the more captivating adaptations that have evolved in...

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

The Ocean Blog

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...
This deep sea creature, the whalefish ( Cetomimidae ), has a whale-like body, a gaping mouth, no fins or scales and a deep lateral line, which detects vibrations in the water. The first specimens...
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...
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...
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...
In the spring of 2011, a research crew from Oceana spent two months in the brackish Baltic Sea . The Baltic faces challenges from pollution, algae blooms, over fishing, and invasive species. Oceana...
For nearly 35 years, National Geographic photojournalist Brian Skerry has been immersing himself in the big blue to get the perfect underwater photograph. He admits that there will never will be a "...
The Goliath grouper, ( Epinephelus itajara ), is found in shallow tropical waters and reefs. They can reach sizes of 3 meters, and will eat crustaceans, other fish, octopi, and even sharks. The title...
Munch, munch. The queen parrotfish ( Scarus vetula ) scrapes algae from Caribbean coral reefs with its parrot-like beak. While feeding, hard stone and coral inevitably get mixed into its lunch, which...
A beautiful cut of Atlantic salmon ( Salmo salar ), a popular species among seafood lovers that is in severe decline. Check out our guest blog pos t by Oceana's Emily Fisher on the explosion of...
The corkwing wrasse, or gilt-head, changes color depending on its age, sex, and breeding season. For instance, during the breeding season, males have blue spotted fins and the middle of their scales...
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...
Whalefish mystery solved! The tapetail is the larva of the family. It transforms into either a male (bignose) or female whalefish. The family name is Cetomimidae .
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...
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 .
Cardinalfish ( Cheilodipterus sp. ) dads do their part to protect their eggs by gingerly carrying them in their mouths. However, the dads could easily swallow the whole bunch in one gulp! To keep her...
Can painted wooden fish on a schoolyard fence change human behavior and help clean up the ocean for the real salmon? Stream of Dreams in British Columbia thinks so, and a lot of wooden fish and some...
Worldwide, fisheries touch our lives in countless ways. If well maintained, they can feed millions of people, generate jobs and income, help maintain long-standing community and cultural traditions,...
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