Fish

FEATURES

Blog entry
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...
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-...

LATEST CATCH

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 other hosts, such as fish,...
A tornado of sardines swirls around diver and photographer Erwin Poliakoff...
"Macro shot of a whip coral goby, taken in Fiji during a trip to the...

DIVE DEEPER

Scientists in the Division of Fishes at the Smithsonian's National Museum of Natural History use X-ray imaging to study the...
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...
“ This moray eel was resting among some hard coral and was mesmerized by my dive lights, making it a very cooperative subject. The moray eel rhythmically opens and closes its mouth to move water...
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 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...
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...
In the dark, cold waters 600 meters (nearly 2000 feet) below the ocean's surface, things happen slowly. Orange roughy ( Hoplostethus atlanticus ) , deep ocean fish that were once known as "slimeheads...
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 .
An Arctic cod rests in an ice-covered space. View the “ Under Arctic Ice ” photo essay.
Some fish you can fry up in the pan, no questions asked. Others require a bit of research. Case in point: the puffer fish. Commonly known as fugu, some species contain toxins more deadly than cyanide...
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...
An X-ray image of grooved razorfish ( Centriscus scutatus ). Razorfish are encased in thin, transparent bony plates attached to their spines, which you can see in the X-ray. Also known as shrimpfish...
This mysterious deep sea creature , which has an unusual bulge on its snout, grows to only about 68 mm (2.7 in) long. It lives deep in the ocean, like the whalefish . Find out how this fish was part...
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.
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...
Deep-sea species like this dragonfish ( Bathophilus indicus ) live in cold, dark waters and may go weeks or months between meals. When food is found, the fish uses its impressive teeth—including some...
The longspine seahorse ( Hippocampus histrix ), named for the spines covering its body, has a long snout and eyes that move independently of each other. Like other seahorses, the male carries the...
Find out more about the field of ichthyology and the vast collection of fishes at the Smithsonian's National Museum of Natural History --the largest in the world! Find out how these collections were...
Are these three fish related? All three—a whalefish, bignose, and tapetail—became the prime suspects in an international scientific mystery. Each species seemed to be missing either a member of the...
Subscribe to Fish