Fish

Art Weston is waiting to hear whether his catch will break two records.

Angler Catches 283-Pound Alligator Gar in Texas, Potentially Setting Two World Records

Art Weston and Kirk Kirkland spent nearly three hours reeling in the gargantuan fish

Methuselah, the oldest fish living in an aquarium, was transported to California in 1938.

Methuselah, the World's Oldest Living Aquarium Fish, Could Be More Than 100

Using a new and noninvasive technique, researchers analyzed the DNA of 33 lungfish in institutions across the U.S. and Australia to determine their ages

A puffin on Eastern Egg Rock carries fish to feed its young.

Puffins Are Making a Comeback in Maine

After a down year in 2021, the birds have had two good years in a row

Outside of Earth, is there any place a human could survive unprotected for even ten seconds?  

Could Humans Survive Unprotected Outside of Earth's Atmosphere for Even Ten Seconds?

You’ve got questions. We’ve got experts

A zoo employee weighs a meerkat during the annual weigh-in.

London Zoo Weighs All 14,000 of Its Animals, 'From the Tallest Giraffe to the Tiniest Tadpole'

The annual measurements help zookeepers track each animal's health over time

The tanks used for storing treated water at the Fukushima Daiichi Nuclear Power Plant in Japan are almost at capacity.

Japan Begins Release of Treated Nuclear Wastewater Into the Pacific Ocean

Twelve years after the Fukushima Daiichi nuclear disaster, the move is a polarizing step toward decommissioning the defunct power plant

Hogfish can change their color in less than a second to blend in with their surroundings.

How Color-Changing Hogfish Use Their Skin to 'See' Themselves

Light-sensitive proteins in the fish's skin could play a role in monitoring how they camouflage, researchers theorize in a new study

A trumpetfish shadows a parrotfish. A new study suggests that this tactic makes it harder for prey to notice the predatory trumpetfish behind the non-threatening, plant-eating parrotfish.

These Long, Skinny Fish Hide Behind Bigger Fish to Sneak Up on Their Prey

Scientists made 3D-printed models of fish and tested them in the ocean to study this clever hunting strategy

The young swell shark glows under a blacklight. The swell shark's eyes have adapted to filter out other wavelengths of light so they can better see other sharks.

See the Baby Glow-in-the-Dark Shark Hatched at the Tennessee Aquarium

In coastal waters, swell sharks appear a glowing green color to other members of their species due to a special eye adaptation

A diver swims around a coral reef in Key West, Florida, on July 14, 2023. Coral reefs in the Florida Keys are at risk of bleaching and death because of very hot water temperatures this summer.

Water Temperatures Hit 'Hot Tub' Levels in the Florida Keys

A buoy in Manatee Bay recorded 101.1 degrees Fahrenheit on Monday evening, as coral reefs suffer

A researcher holds two White's seahorses before releasing them into Sydney Harbor.

Scientists Release Record-Breaking Number of Baby Seahorses Into Sydney Harbor

The team installed eight new “seahorse hotels,” which will provide much-needed homes for the endangered animals

Researchers caught and tagged a 13-foot-long female sawfish off the coast of Cedar Key, Florida, in June.

13-Foot Endangered Sawfish Spotted in Northern Florida Hints at a 'Slow Recovery'

Scientists tagged the rare animal farther north than any such fish in decades, suggesting the species is returning to areas it once lived

Trub, a leftover of the brewing process, could be key to scientists’ quest to develop a cheap, effective artificial scent guide for hatchery-raised salmon.

How Far Will Salmon Swim for a Craft Beer?

Researchers in Oregon hope a surprising aroma will lure stray fish back to their home hatcheries

A sea lamprey

Bloodsucking Sea Lampreys Made a Comeback in the Great Lakes During Covid

Travel restrictions hindered population control of the invasive parasites, which feed on fish like trout, whitefish, perch and sturgeon

Analyzing DNA found in the water off Greenland, researchers have found the signs of species on the move.

The Atlantification of the Arctic Ocean is Underway

The discovery of a tiny fish far from its normal range is a poignant reminder of the changes that are already happening

Blacktip reef sharks are one of five common species of reef sharks that are disappearing.

Reef Sharks Are Disappearing Around the World

A massive new study found a staggering decline of these top predators, which help balance vulnerable coral reef ecosystems and their food chains

Thousands of dead fish—most of them Gulf menhaden—washed up on the beaches of Brazoria County in Texas.

Why Thousands of Dead Fish Washed Ashore in Texas

Conditions created a "perfect storm" that robbed the water of dissolved oxygen near the coast

Alessandro Biancardi says he caught the biggest catfish he'd ever seen in his 23 years as a professional fisherman.

Fisherman Reels in 'Monster' Nine-Foot Catfish in Italy

The behemoth, found in the Po River, may have set a world record for the longest catch-and-release catfish

The Canary Islands are a hotspot for critically endangered angelsharks (Squatina squatina), perhaps lured by the artificial beaches that provide safe havens for juveniles.

This Engineered Beach Is Good for Endangered Sharks and Tourists

In the Canary Islands, angel sharks and humans are attracted to the same habitat which, for once, isn’t bad for the wildlife

View of the Skagit River, with the Diablo Dam (completed in 1930) visible

On This Disputed River, Progress May Mean a Return to the Past

Winding through British Columbia and Washington, the Skagit has a history that reflects competing conceptions of advancement

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