Fish

With over 32,000 described fish species, the varieties are endless. Most bony fishes are cold-blooded, covered in scales and breathe using gills—but there are exceptions to all of these rules.  

FEATURES

Audio
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...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
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-...
CREDIT: Chris Kenaley The Mystery Develops Flash forward to 1956, when...

LATEST CATCH

Two bright orange anemonefish ( Amphiprion ocellaris ) poke their heads between anemone tentacles. Anemonefish are able to swim amongst the stinging tentacles without getting stung — but no one knows exactly sure how. One...
The pearly razorfish’s name may be slightly misleading since it is neither...
A master of disguise, the pygmy seahorse ( Hippocampus bargibanti ) grows to...

DIVE DEEPER

Scientists in the Division of Fishes at the Smithsonian's National Museum of Natural History use X-ray imaging to study the...
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...
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...
A tiny yellow goby, Lubricogobius exiguus , living inside an abandoned can on the seafloor; Suruga Bay, Japan
Top predators along the California coast are having a rough year. Recently starving sea lions have showed up on California beaches and are clamoring for fish at the mouth of Oregon's Columbia River...
The longsnout seahorse ( Hippocampus reidi ) can be found near seagrasses, corals, sargassum and mangroves . These seahorses usually are between three to seven inches tall and could be threatened...
The three-spot frogfish ( Lophiocharon trisignatus ), seen here off the coast of Western Australia, looks like it might just be a rock or a part of the sea floor! Frogfish use various methods of...
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 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...
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 "...
Boats Connect Us to the Ocean More than any other objects, boats symbolize human connection to the ocean. As you look through the center of the Ocean Hall, past the model right whale , you can see a...
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 long toothy rostrum or “saw” gives sawfish their common name. They use the saw to dig in the sand for crustaceans or to attack prey by vigorously slashing from side to side. This smalltooth...
It was a hot and sunny day, with barely a whiff of breeze. I boarded a boat in Oban, on the coast of Scotland, and headed west past the Isle of Mull and into the North Atlantic. It was July 2014, and...
Marine biologists discover a whalefish -- an incredibly rare deep-sea fish -- swimming in the ocean in this video. Because it is so dark where they live, females have well-developed sensory pores,...
Studies along the Northwest Atlantic Ocean shelf break- the transition from continental shelf to slope- by researchers from Woods Hole Oceanographic Institution and Rutgers University are revealing...
When snorkeling in the Kahekili Herbivore Fisheries Management Area (KHFMA) in West Maui, I keep an eye out for certain kinds of fish. Not the brightest or the biggest, but those herbivores such as...
Two bright orange anemonefish ( Amphiprion ocellaris ) poke their heads between anemone tentacles. Anemonefish are able to swim amongst the stinging tentacles without getting stung — but no one knows...
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...
Subscribe to Fish