A New Generation of Tiny Tracking Tags Offers a Fresh Look at the Lives of Little Fish
Researchers at the Department of Energy’s Pacific Northwest National Laboratory have developed a tag the size of a grain of rice that can also work underwater
As Interest in Deep-Sea Mining Grows, Scientists Raise Alarms About the Possible Ecological Consequences
Gathering minerals such as nickel, cobalt, manganese and lithium from the seabed could affect everything from sponges to whales. The long-term effects of these extractions remain uncertain
These Cod Have Been Shrinking Dramatically for Decades. Now, Scientists Say They’ve Solved the Mystery
Eastern Baltic cod grow to much smaller sizes than they did just 30 years ago, because overfishing altered their genes, according to new research
Ten Stunning Nature Photos From the BigPicture 2025
From the beautiful to the bizarre, this annual photographic showcase shines a light on some of our planet’s most breathtaking species and places
Can the Redfish, That Gulf Coast Culinary Icon, Be Brought Back From the Brink?
The Cajun cooking craze nearly wiped out the species native to Louisiana, but conservation stemmed the tide. Now the fish faces new threats
Lab-Grown Salmon Hits the Menu at an Oregon Restaurant as the FDA Greenlights the Cell-Cultured Product
The decision clears the way for the first cultured fish to join the small but growing alternative protein market
Sea Horse Smuggling Is a Big Problem, Despite Global Efforts to Protect These Beloved Aquatic Creatures
Between 2010 and 2021, authorities seized around five million individual sea horses worth more than $21 million
Once in Dire Straits, Atlantic Sturgeon Are Staging a Comeback on the East Coast
From Maine to Florida, the endangered, prehistoric fish is rebounding, but a recent study shows just how vulnerable the U.S. population remains
Our Teeth May Descend From Sensitive Bumps on Prehistoric Fish Armor, New Research Finds
Hundreds of millions of years ago, fish had sensory features on their exoskeletons that contained dentine, the material that makes our teeth sensitive today
Clownfish Shrink Down Their Bodies to Survive Ocean Heat Waves, New Study Suggests
The adaptation appears to help the fish cope with high temperatures, since individuals and breeding pairs that shrank improved their survival odds
Salmon in the Pacific Northwest Are Facing a New Threat: Booming Populations of Seals and Sea Lions
The mammals’ return to the region represented a conservation success story, but their appetite for endangered fish is upsetting the balance of a delicate ecosystem
What Free Diving in a Kelp Forest Taught Me About an Overlooked but Incredibly Valuable Ecosystem
A photographer shares the epiphanies she has had while chronicling underwater jungles off the California coast
As Norway Considers Deep-Sea Mining, a Rich History of Ocean Conservation Decisions May Inform How the Country Acts
In the past, scientists, industry and government have worked together in surprising, tense and fruitful ways
These Large, Snake-Like Fish Are Invading the United States—and Authorities Want You to Kill Them
Invasive northern snakeheads can “walk” on land, breathe air and survive out of water for several days, and they also compete with native species in waterways
Angler Catches 153-Pound Behemoth in Texas Using Ultra-Light Tackle, Likely Setting a New World Record
Art Weston and Kirk Kirkland reeled in and released the enormous freshwater fish, known as an alligator gar, after a four-hour battle on Lake Livingston
Salmon Are Being Exposed to Our Anti-Anxiety Medication, and It’s Making Them Take More Risks, Study Suggests
Atlantic salmon exposed to a common anti-anxiety drug migrate faster, according to new research. That’s not necessarily a good thing
Listen to the First Known Recording of Shark Sounds, a ‘Weird’ Audio Clip Captured at a Marine Lab in New Zealand
Researchers detected short clicking noises from rig sharks during handling in the lab, though they’re not sure why or how the sound is produced
Voters Crown the ‘World’s Ugliest Animal’ as New Zealand’s Fish of the Year
The blobfish is specially adapted to life in the deep ocean, but it looks like a shapeless blob when brought to the surface. It beat out the other candidates with its “unconventional beauty”
Paleontologists Stumble Across 15-Million-Year-Old Fish Fossils That Are So Well Preserved, Their Last Meals Are Intact
Discovered in Australia, the fossils represent a new species that lived during the Miocene epoch and highlight how iron-rich rock can protect specimens over time
Megalodon Might Have Been Longer and Skinnier Than Previously Thought, Growing Up to 80 Feet
A new paper suggests the enormous, extinct shark looked less like a bulky great white and more like an elongated lemon shark
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