Fish

FEATURES

Slideshow
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 of red, green,...
Scientists describe the amazing bioluminescent creatures they encounter as they...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
The open ocean is surprisingly barren to the naked eye. Every now and again you...
Slideshow MORE STORIES Slideshow MORE AUDIO / VIDEO
Everyone knows what a fish is: from a pet goldfish to a wild sunfish, fish are...

LATEST POSTS

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 seafloor. In turn the small, and...
A master of disguise, the pygmy seahorse ( Hippocampus bargibanti ) grows to...
Imagine if a fish at the market could tell you where it came from; what...

LEARN MORE

Scientists in the Division of Fishes at the Smithsonian's National Museum of Natural History use X-ray imaging to study the...
Relatively slow moving, juvenile plane-head filefish Monacanthus hispidus (Monacanthidae) travel along with the algae. They pick off and eat small animals as they move around in the rotating...
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...
No two snowflakes are alike. Every snowflake is beautiful in its own way. But this one’s a bit scary. The snowflake moray eel ( Echidna nebulosa ) has white, black and yellow splotches all over its...
The rich colors of emperor angelfish make them a vibrant version of royalty. They are curious fish that will come and greet their human visitors. However this unique coloring is not shared with all...
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...
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...
Scientists are excited when they discover an animal where they had never seen it before. This eelpout fish, Lycodes adolfi, was seen on the Pacific side of the Arctic in 2009. Previously, scientists...
In the X-ray image of this Viper Moray Eel ( Enchelynassa canina ), note the second set of jaws in the “throat”; these are the gill arches, which are present in all fish. Gill arches support the...
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...
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...
Everyone knows what a fish is: from a pet goldfish to a wild sunfish, fish are globally recognized and are an important global protein source. In this slideshow, we will look at some of the most...
Starksia blennies, small coral reef fish with elongated bodies, have been well-studied for more than 100 years. But things are not always what they seem when it comes to fish. Using genetic analysis...
An Arctic cod rests in an ice-covered space. View the “ Under Arctic Ice ” photo essay.
The pre-industrial American landscape was once rightly described as a place where “the deer and the antelope roam.” On land, we take it for granted that the plant-eating deer and antelope far...
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...
Arctic cod have a special protein that keeps their blood from freezing in ice-cold Arctic waters.
The clearly pictured spines, rays and snout make identifying this longnose butterflyfish ( Forcipiger longirostris ), which was collected in French Polynesia in 2004, straightforward in this X-ray...
The ocean is home to many moms of all shapes and sizes: from charismatic polar bears and dolphins to small fishes and shrimps and more. Learn about some of the diverse parenting habits of marine moms...
Subscribe to Fish