Fish News

June 13, 2025

Top Headlines

Cleaner Fish: Tiny Healers or Hidden Spreaders in Coral Reef Ecosystems?

June 12, 2025 — Reef "beauty salons" staffed by tiny cleaner fish aren t just for parasite removal they may also shape the microbial life of the entire ecosystem. A fascinating new study shows these bustling fish stations influence which microbes move around the ...

Something More Toxic Than Gators Is Hiding in the Swamps

June 12, 2025 — Mercury contamination is surfacing as a serious concern in parts of Georgia and South Carolina, particularly in regions like the Okefenokee Swamp. University of Georgia researchers found alarmingly high levels of the neurotoxic metal in alligators, ...

Satellite Tracking of 12,000 Marine Animals Reveals Ocean Giants Are in Trouble

June 7, 2025 — A massive global collaboration has tracked over 12,000 marine animals from whales to turtles to create one of the most detailed movement maps of ocean giants ever assembled. The project, MegaMove, ...

Eating an Array of Smaller Fish Could Be Nutrient-Dense Solution to Overfishing

June 3, 2025 — To satisfy the seafood needs of billions of people, offering them access to a more biodiverse array of fish creates opportunities to mix-and-match species to obtain better nutrition from smaller ...

Global Shortage of Essential Nutrient Poses Health Concern

Apr. 30, 2025 — There is a global shortage of omega-3 partly due to environmental factors, according to new research. This is not just a healthcare issue; it is a public health and environmental ...

Discovery Offers New Insights Into Skin Healing in Salmon

May 27, 2025 — Scientists have discovered cells in the skin of Atlantic salmon that offer new insights into how wounds heal, tissues regenerate, and cellular transitions support long-term skin ...

The Ocean Seems to Be Getting Darker

May 27, 2025 — Scientists, who have spent more than a decade examining the impact of artificial light at night on the world's coasts and oceans, have shown that more than one-fifth of the global ocean -- an area spanning more than 75 million sq km -- has been the ...

Megalodon: The Broad Diet of the Megatooth Shark

May 26, 2025 — Contrary to widespread assumptions, the largest shark that ever lived -- Otodus megalodon -- fed on marine creatures at various levels of the food pyramid and not just the top. Scientists analyzed the zinc content of a large sample of fossilized ...

Daytime Boosts Immunity, Scientists Find

May 23, 2025 — Daylight can boost the immune system's ability to fight ...

Something's Fishy Here

May 21, 2025 — In nature, ecosystems are tightly linked through the flow of organisms, detritus, and nutrients across boundaries arbitrarily imagined by humans. These systems are deeply in tune with seasonal changes, fostering a harmonious ebb and flow of ...

Natural Algal Communities Can Inhibit Aquaculture Pathogens

May 21, 2025 — Antimicrobial resistance is a growing issue in aquaculture. Researchers discovered that combinations of bacteria from live-feed microalgae are capable of inhibiting ...

Why Europe's Fisheries Management Needs a Rethink

May 22, 2025 — Every year, total allowable catches (TACs) and fishing quotas are set across Europe through a multi-step process -- and yet many fish stocks in EU waters remain overfished. A new analysis reveals that politically agreed-upon catch limits are not ...

Latest Headlines

updated 1:03pm EDT

Toothache from Eating Something Cold? Blame These Ancient Fish

May 21, 2025 — New research shows that dentine, the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue in the armored exoskeletons of ancient ...

Shrinking Nemo: Clownfish Survive Heatwaves by Shrinking

May 21, 2025 — Clownfish have been shown to shrink in order to survive heat stress and avoid social conflict, research ...

'Sharkitecture:' A Nanoscale Look Inside a Blacktip Shark's Skeleton

May 20, 2025 — Using synchrotron X-ray nanotomography with detailed 3D imaging and in-situ mechanical testing, researchers are peering inside shark skeletons at the nanoscale, revealing a microscopic ...

School Dinners May Encourage Picky Teenagers to Eat Better, Says New Study

May 15, 2025 — Having school dinners rather than packed lunches could encourage picky eating 13-year-olds to eat a wider variety of foods, according to a new ...

Scientists Use Fossils to Assess the Health of Florida's Largest Remaining Seagrass Bed: Surprisingly, It's Doing Well!

May 15, 2025 — A new study shows that seagrass ecosystems along the northern half of Florida's Gulf Coast have remained relatively healthy and undisturbed for the ...

Fossil Tracks Show Reptiles Appeared on Earth Up to 40 Million Years Earlier

May 14, 2025 — The origin of reptiles on Earth has been shown to be up to 40 million years earlier than previously thought -- thanks to evidence discovered at an ...

CT Scanning Helps Reveal Path from Rotten Fish to Fossil

May 13, 2025 — Scientists confirm CT scanning doesn't interfere with natural decomposition processes, opening new windows into understanding how fossils ...

The Kids Are Hungry: Juvenile European Green Crabs Just as Damaging as Adults

May 12, 2025 — Scientists have found that juvenile European green crabs can do as much damage as adults to shellfish and native sea plants, calling into question ...

New Ancient Fish Species Earliest Known Salmon Ancestor

May 9, 2025 — The Arctic landscape during the Cretaceous Period may have been dominated by the dinosaurs, but the rivers and streams held something more familiar. Alaska's fresh waters 73 million years ago were ...

Sulfur Runoff Amplifies Mercury Concentrations in Florida Everglades

May 8, 2025 — Sulfur from sugarcane crops is flowing into wetlands in the Florida Everglades, creating toxic methylmercury, which accumulates in fish, a new study ...

Scottish Shrimp Study Illuminates New Potential for Bait-Less Fishing

May 8, 2025 — Fishing pots fitted with LED lights catch significantly more shrimp and fish, new research ...

Database Reveals Vital Ocean Links to Aid Conservation

May 8, 2025 — Scientists have launched an interactive global map to show the migratory patterns of more than 100 marine species in an effort to protect at-risk ...

Eco-Friendly Aquatic Robot Is Made from Fish Food

May 8, 2025 — An edible robot leverages a combination of biodegradable fuel and surface tension to zip around the water's surface, creating a safe -- and nutritious -- alternative to environmental monitoring ...

Fewer Parasites in the Indian River Lagoon Signal Big Ecosystem Problems

May 7, 2025 — Parasites are crucial indicators of ecosystem health, and their absence can signal trouble. Once pristine, Florida's Indian River Lagoon (IRL) now faces pollution and algal blooms that have ...

Triassic Fossil Reveals Nature's Best Jaw for Hunting Fast Fish

May 7, 2025 — Newly discovered species of extinct fish shows striking similarities to unrelated modern-day predators, suggesting certain traits have emerged multiple times and remained consistent over hundreds of ...

Biological 'Clocks' Key to Muscle Health and Accelerated Aging in Shift Workers

May 5, 2025 — Muscle cells contain their own circadian clocks and disrupting them with shift work can have a profound impact on aging, according to new ...

How Are They Biting? High Speed Video Reveals Unexpected Jaw Movements in Reef Fish

May 5, 2025 — Some reef fish have the unexpected ability to move their jaws from side to side, biologists have discovered. This ability -- which is rare among vertebrate animals -- allows these fish to feed ...

Blue Tips Are Red Algae's Red Flags

May 5, 2025 — Some red algae exhibit structural color that gives their growth tips a blue hue and the rest of their bodies including their fruiting structures a white hue. Moreover, since the color-producing ...

Ancient Poems Tell the Story of Charismatic River Porpoise's Decline Over the Past 1,400 Years

May 5, 2025 — Endemic to China's Yangtze River, the Yangtze finless porpoise is known for its intelligence and charismatic appearance; it looks like it has a perpetual smile on its face. To track how this ...

How Mid-Cretaceous Events Affected Marine Top Predators

May 2, 2025 — The highest trophic niches in Mesozoic oceans were filled by diverse marine reptiles, including ichthyosaurians, plesiosaurians, and thalattosuchians, dominating food webs during the Jurassic and ...

Loss of Sea Ice Alters the Colors of Light in the Ocean

May 2, 2025 — The disappearance of sea ice in polar regions due to global warming not only increases the amount of light entering the ocean, but also changes its color. These changes have far-reaching consequences ...

Designer Microbe Shows Promise for Reducing Mercury Absorption from Seafood

May 1, 2025 — Scientists inserted DNA-encoding methylmercury detoxification enzymes into the genome of an abundant human gut bacterium. The engineered bacterium detoxified methylmercury in the gut of mice and ...

Juvenile Salmon Roam Between Salt and Fresh Water While Exploring Coast and Rivers, New Research Finds

Apr. 30, 2025 — The well-known salmon life cycle has long been described as going only one way at a time. Juvenile salmon hatch and swim down rivers to the ocean, where they grow and mature before returning to the ...

Extreme Monsoon Changes Threaten the Bay of Bengal's Role as a Critical Food Source

Apr. 28, 2025 — New research has revealed that expected, extreme changes in India's summer monsoon could drastically hamper the Bay of Bengal's ability to support a crucial element of the region's ...

Chip-Shop Fish Among Key Seabed Engineers

Apr. 28, 2025 — Many of the fish we eat play a key role in maintaining the seabed -- and therefore our climate, new research ...

'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 ...

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 ...

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 ...

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 ...