Fish News

April 12, 2025

Top Headlines

Mapping Mercury Contamination in Penguins of the Southern Ocean

Apr. 9, 2025 — In 1962, when environmentalist and author Rachel Carson penned 'Silent Spring,' alerting the world to the dangers of the pesticide DDT, it was the reproductive threat to birds -- the bald eagle in particular -- that spurred people to action. Six ...

Drug Pollution Alters Salmon Migration

Apr. 10, 2025 — Study reveals commonly detected environmental levels of clobazam -- a medication often prescribed for sleep disorders -- increased the river-to-sea migration success of juvenile salmon in the wild. The research team employed slow-release ...

With New Database Researchers May Be Able to Predict Rare Milky Seas Bioluminescent, Glowing Event

Apr. 9, 2025 — Milky seas are a rare bioluminescent phenomenon where vast areas of the ocean glow at night, sometimes for months. This glow, likely caused by Vibrio harveyi bacteria, has been reported by sailors ...

Planetary Health Diet and Mediterranean Diet Associated With Similar Survival and Sustainability Benefits

Apr. 4, 2025 — A cohort study was conducted in Spain to compare the health and environmental benefits of the Planetary Health Diet (PHD) and the Mediterranean Diet. Compared to participants with low adherence, ...

Latest Headlines

updated 11:12pm EDT

Migrating Roach Fish Have Sharper Eyesight

Apr. 3, 2025 — Roach fish that migrate between different lakes and water courses have larger pupils and better eyesight than roach fish that stay in one place. The adaptation makes it easier for the red-eyed ...

Coral Diseases and Water Quality Play a Key Role for Coral Restoration and Survival Efforts

Mar. 26, 2025 — Coral diseases, particularly in the Caribbean, have caused major declines in coral populations, especially affecting staghorn (Acropora cervicornis) ...

Artisanal Fishers Are Almost as Accurate as Satellites in Producing Environmental Data

Mar. 25, 2025 — For research, ten fishermen working around islands in the Aegean Sea were asked to pinpoint areas where they believed seagrass beds could be found ...

Climate Cost of Global Trawling Still Uncertain

Mar. 25, 2025 — The amount of carbon released by seabed fishing worldwide is uncertain and must be urgently investigated, researchers ...

New Study Shines a Light on the Mechanics of Bioluminescence in the Rare Fish Vinciguerria Mabahiss

Mar. 26, 2025 — Evolving roughly 27 different times in the long history of fish, bioluminescence -- the biological production of light -- is one of the flashier ...

Introduced Pacific Oysters Provide Biodiversity Benefits in Port River

Mar. 24, 2025 — The introduction of exotic species can pose significant challenges in the sustainable management of coastal ecosystems, yet researchers have found that Pacific oysters introduced to the Port River in ...

Ocean Eddies -- The Food Trucks of the Sea

Mar. 25, 2025 — How is organic matter transported from productive coastal areas to the open ocean? Researchers have now shown that eddies play a crucial role in this process. The swirling currents contain large ...

Ecosystem Disrupted Following the Disappearance of Great White Sharks

Mar. 25, 2025 — A new study has uncovered evidence of far-reaching ecosystem consequences following the disappearance of Great white sharks (Carcharodon carcharias) from False Bay, South Africa. The research spans ...

Chimpanzees Act as 'Engineers', Choosing Materials to Make Tools Based on Structural and Mechanical Properties

Mar. 24, 2025 — Researchers have discovered that chimpanzees living in Gombe Stream National Park in Tanzania employ a degree of engineering when making their tools, ...

Threatened by Warming Waters, Brook Trout May Be Able to Adapt to Hotter Weather

Mar. 18, 2025 — Brook trout may have a genetic trick up their scales when it comes to adapting, with limitations, to heatwaves that threaten their existence. ...

Southeast Asia's Fisheries Benefit from Small-Scale, Multispecies Capture

Mar. 21, 2025 — Despite decades of warnings about overfishing, Southeast Asia's capture fisheries have proven remarkably ...

Study Identifies Viruses in Red Tide Blooms for the First Time

Mar. 20, 2025 — Identifying viruses associated with red tide can help researchers forecast the development of blooms and better understand environmental factors that can cause blooms to terminate. The study marks an ...

Restored Stream Supports New Wild Salmon Run

Mar. 20, 2025 — A new study documents Putah Creek-origin salmon, meaning some salmon returning to the restored creek in the fall to spawn were actually born there. The study carries broader implications for other ...

Red Coral Colonies Survive a Decade After Being Transplanted in the Medes Islands

Mar. 18, 2025 — The red coral colonies that were transplanted a decade ago on the seabed of the Medes Islands have survived successfully. They are very similar to the original communities and have contributed to the ...

Sharks Are Dying at Alarming Rates, Mostly Due to Fishing. Retention Bans May Help

Mar. 14, 2025 — Nearly one-third of sharks are threatened with extinction, mostly due to fishing. While mandated releases are helpful, researchers discovered that they aren't enough to stabilize shark ...

Brown Trout Proven to Successfully Navigate Beaver Dams

Mar. 13, 2025 — A groundbreaking study has revealed that brown trout can successfully navigate beaver dams -- obstacles which were previously thought to pose a significant barrier to their ...

New Species of Killifish from Kenya Already Critically Endangered

Mar. 12, 2025 — A critically endangered new species of killifish sampled from an ancient forest in Kenya in 2017 and 2018 has now been described. Nothobranchius sylvaticus, from the Latin meaning 'pertaining to ...

Children Who Lack Fish in Their Diets Are Less Sociable and Kind, Study Finds

Mar. 11, 2025 — Children who consumed the least amounts of seafood at 7-years-old were likely to be less 'prosocial' at ages 7 and 9 years than those who regularly consumed seafood, according to a new ...

'Fishial' Recognition: Neural Network Identifies Coral Reef Sounds

Mar. 11, 2025 — Researchers combine acoustic monitoring with a neural network to identify fish activity on coral reefs by sound. They trained the network to sort through the deluge of acoustic data automatically, ...

A Longer, Sleeker Super Predator: Megalodon's True Form

Mar. 9, 2025 — The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong. The study finds the prehistoric hunter had a much longer body -- closer ...

Study Warns of Deadly Future Marine Heat Waves in East Coast Estuaries

Mar. 6, 2025 — A new study is predicting estuaries along the East Coast of the U.S. will experience marine heat wave conditions up to a third of the year by the end of the ...

Adaptability of Some Coral Reef Fish to Rising Temperatures

Mar. 6, 2025 — Researchers have found that reef fish from the Arabian Gulf, the world's hottest sea, exhibit a higher tolerance to temperature fluctuations compared to those from more thermally stable coral ...

Motion Capture: M. Mobile's Motility Apparatus Clarified

Mar. 4, 2025 — The molecular structure of the motor component that powers the gliding apparatus of Mycoplasma mobile, one of the few mycoplasma bacteria that can move, has been revealed using cryo-electron ...

Giant Clone of Seaweed in the Baltic Sea

Mar. 4, 2025 — Researchers have discovered that what was previously thought to be a unique seaweed species of bladderwrack for the Baltic Sea is in fact a giant clone of common bladderwrack, perhaps the ...

Drone Captures Narwhals Using Their Tusks to Explore, Forage and Play

Feb. 28, 2025 — Using drones, 17 distinct behaviors of narwhals were captured in the wild. Findings reveal complex behaviors of the Arctic's iconic whale never seen before. This highly gregarious whale uses its ...

Shark Activity in South African Reef Revealed by Citizen Scientist Scuba Divers

Feb. 26, 2025 — Shark sightings by scuba divers reveal the movements of marine predators throughout the year, according to a new ...

Feeding Anemone: Symbiote Fish Actively Feed Hosts in Wild

Feb. 26, 2025 — A research team observing anemonefish in the field found they engage in interesting feeding behavior with their host sea ...

Fish Teeth Show How Ease of Innovation Enables Rapid Evolution

Feb. 26, 2025 — It's not what you do, it's how readily you do it. Rapid evolutionary change might have more to do with how easily a key innovation can be gained or lost rather than with the innovation ...

Humans Inherited Their Flexible Joints from the Earliest Jawed Fish

Feb. 25, 2025 — The efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ancient jawed fish ancestors, according to a new ...

Some Animals Cooperate With Members of Other Species

Feb. 25, 2025 — Some animals are capable of cooperating with members of other species. An interdisciplinary team explores the cognitive underpinnings of such cross-species collaborations, opening up a new ...