Fish News

April 30, 2025

Top Headlines

Animal Energy Usage Made Visible Through Video

Apr. 25, 2025 — Strong methods do exist for measuring animal movement in the context of energy expenditure, but these are limited by the physical size of the equipment used. Now, in a paper published in the Journal of Experimental Biology, researchers from the ...

'Cryosphere Meltdown' Will Impact Arctic Marine Carbon Cycles and Ecosystems, New Study Warns

Apr. 25, 2025 — A new study has found worrying signs that climate change may be undermining the capacity of Arctic fjords to serve as effective carbon sinks. The findings suggest that the capacity of polar oceans to ...

Paying Fishers to Release Endangered Catches Can Aid Conservation, but Only If Done Right

Apr. 23, 2025 — A new study has revealed that an incentive program increased live releases of endangered species caught as bycatch. However, unexpectedly, the overall positive impact was reduced by some vessels ...

Tackling Parasite Devastating Fish Farmers Around the World

Apr. 22, 2025 — At the heart of the Amazon researchers are investigating a mysterious parasite which is devastating fish farms around the ...

Latest Headlines

updated 2:49pm EDT

Land-Use Drives Energy Dynamics of Boreal Lake Food Webs

Apr. 17, 2025 — Lake ecosystems can receive high inputs of terrestrial organic matter (t-OM) that microbes make available to higher trophic level consumers. A research group examined terrestrial reliance of 19 ...

Fishing for Cephalopod DNA Allows for Efficient Marine Surveying

Apr. 14, 2025 — New DNA probes allow for efficient surveying of the hidden lives of squids and octopuses in the deep sea. This development provides an effective tool for marine ecological research and conservation ...

Restoration Programs Won’t Save Coral Reefs

Apr. 8, 2025 — As coral bleaching and deaths become more widespread globally, experts show that over a third of restoration projects fail and might never be scalable enough to have positive effects on reef ...

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 ...

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. ...

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 ...

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. ...

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 ...

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 survival tools used for luring prey, communication, ...

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 ...

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 ...

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, deliberately choosing plants that provide ...

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 ...

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 ...

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. Scientists have known for years that brook trout -- an ...

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 ...