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...

LATEST CATCH

The twin-spot snapper ( Lutjanus bohar ) is one of the more curious predators in the central Pacific, says marine ecologist Stuart Sandin of the Scripps Institution of Oceanography. "It poses commonly for the camera but is also...
Starksia blennies, small fish with elongated bodies, generally native to...
These candy cane snapping shrimp ( Alpheus randalli ) have a pretty nice set...

DIVE DEEPER

Scientists in the Division of Fishes at the Smithsonian's National Museum of Natural History use X-ray imaging to study the...
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...
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...
An Arctic cod rests in an ice-covered space. View the “ Under Arctic Ice ” photo essay.
Tropical hatchetfish ( Argyropelecus lychnus ), like the one shown in this X-ray photograph, live in the dark depths of the ocean ; this specimen was collected at about 2,789 feet (850 meters) in the...
This bait ball shows how small fish can react when larger predators are near by gathering tightly together in a ball-like formation that exposes the least number of fish. Fish species found in the...
The Eastern cleaner-clingfish ( Cochleoceps orientalis ) has its job title in its name: “cleaner.” They prove invaluable to larger fish by removing parasites to keep the larger fish clean and healthy...
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...
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...
This shadowy fish, Trematomus bernacchii , is well adapted to the ice-cold water of the Antarctic: its blood comes equipped with natural antifreeze. This is a necessary adaptation because the...
Dr. Carole Baldwin never expected to find seven new species of fish among the Starskia blennies she was studying at the Smithsonian's National Museum of Natural History. "My research team was using...
Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns from the Smithsonian field site in Belize. Together with Dan Barshis of Stanford University, Seabird reports on the...
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...
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...
The twin-spot snapper ( Lutjanus bohar ) is one of the more curious predators in the central Pacific, says marine ecologist Stuart Sandin of the Scripps Institution of Oceanography. "It poses...
Much like our friend the seahorse , the males of this fish raise the young. As you can see in the photograph above, the male has his clutch of eggs in his mouth. This species ( Opistognathus...
The Palauan primitive cave eel ( Protanguilla palau ) has an evolutionary history that dates back some 200 million years . Because of this and the fact that it has retained some primitive features,...
When we think "Africa," we think of the "Big Five"—lions, elephants, leopards, buffalo and rhinos—that crisscross the African Savannah. Few would imagine that there could be more natural beauty on...
"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...
Subscribe to Fish