Fish News

July 7, 2024

Top Headlines

Ocean Acidification Turns Fish Off Coral Reefs

July 1, 2024 — A new study of coral reefs in Papua New Guinea shows ocean acidification simplifies coral structure, making crucial habitat less appealing to certain fish ...

Researchers Identify Unique Survival Strategies Adopted by Fish in the World's Warmest Waters

July 1, 2024 — A team of researchers have identified unexpected ways coral reef fish living in the warmest waters on earth, in the Arabian Gulf, have adapted to survive extreme ...

A Cold-Specialized Icefish Species Underwent Major Genetic Changes as It Migrated to Temperate Waters

Apr. 5, 2023 — Biologists have explored the genetic mechanisms underlying the transition from freezing Antarctic waters to more temperature waters by Antarctic Notothenioid ...

New Model Could Help Provide Expectant Mothers a Clearer Path to Safe Fish Consumption

June 28, 2024 — Research creates a framework to better balance the nutritional benefit of fish consumption with the risk of mercury exposure to the developing ...

Latest Headlines

updated 9:05am EDT

Pacific Cod Can't Rely on Coastal Safe Havens for Protection During Marine Heat Waves

June 27, 2024 — During recent periods of unusually warm water in the Gulf of Alaska, young Pacific cod in near shore safe havens where they typically spend their ...

Zebrafish Reveal How Bioelectricity Shapes Muscle Development

June 26, 2024 — New research describes how nerve cells and muscle cells communicate through electrical signals during development -- a phenomenon known as bioelectricity. The communication, which takes place via ...

Fishy Parenting? Punishing Offspring Encourages Cooperation

June 18, 2024 — Scientists discovered that Neolamprologus savoryi fish use punishment to encourage offspring to cooperate in brood care, revealing advanced cognitive abilities previously thought unique to higher ...

Nile Perch Invasion Triggered Genetic Bottlenecks in Lake Victoria's Endemic Cichlids

June 17, 2024 — Newfound evidence reveals that the upsurge of the exotic Nile perch in Lake Victoria had long-lasting effects on the genetic diversity of various ...

Restored Rat-Free Islands Could Support Hundreds of Thousands More Breeding Seabirds

June 18, 2024 — Archipelago case-study shows that removing invasive rats and restoring native vegetation could help bring back hundreds of thousands of breeding ...

Previously Uncharacterized Parasite Uncovered in Fish Worldwide

June 17, 2024 — Using genome reconstruction, scientists unveiled a once 'invisible' fish parasite present in many marine fish world-wide that belongs to the apicomplexans, one of the most important groups of ...

Ancient Polar Sea Reptile Fossil Is Oldest Ever Found in Southern Hemisphere

June 17, 2024 — An international team of scientists has identified the oldest fossil of a sea-going reptile from the Southern Hemisphere -- a nothosaur vertebra ...

The Gender Gap in Life Expectancy: Are Eggs and Sperm Partly Responsible?

June 12, 2024 — Researchers have found that germ cells, which develop into eggs and sperm, drive sex-dependent differences in lifespan in vertebrates. Female and male germ cells increase and reduce lifespan, ...

Dolphins With Elevated Mercury Levels in Florida and Georgia

June 13, 2024 — Scientists found elevated mercury levels in dolphins in the U.S. Southeast. The highest levels were found in dolphins in Florida's St. Joseph and Choctawhatchee Bays. Researchers study dolphins ...

Paleontology: New Fossil Fish Genus Discovered

June 13, 2024 — Paleontologists have identified a new genus of fossil goby, revealing evolutionary secrets of a lineage that stretches back millions of ...

Earlier Headlines

Cocaine Trafficking Threatens Critical Bird Habitats

June 12, 2024 — In addition to its human consequences, cocaine trafficking harms the environment and threatens habitats important to dozens of species of migratory birds, according to a new ...

No Bones About It: 100-Million-Year-Old Bones Reveal New Species of Pterosaur

June 12, 2024 — New research has identified 100-million-year-old fossilized bones discovered in western Queensland as belonging to a newly identified species of pterosaur, which was a formidable flying reptile that ...

Fish out of Water: How Killifish Embryos Adapted Their Development

June 6, 2024 — The annual killifish lives in regions with extreme drought. A research group now reports that the early embryogenesis of killifish diverges from that of other species. Unlike other fish, their body ...

Fish in Schools Have an Easier Time Swimming in Rough Waters

June 6, 2024 — Swimming through turbulent water is easier for schooling fish compared to solitary swimmers, according to a new ...

Fishy Mystery of Marine Reptile Solved

June 5, 2024 — The identity of a prehistoric marine reptile has finally been revealed after experts discovered that some of its remains actually belonged to ...

'Open Gates' in Warming Arctic Are Expanding Salmon Range

June 5, 2024 — New research has connected warming ocean temperatures to higher Pacific salmon abundance in the Canadian Arctic, an indicator that climate change is creating new corridors for the fish to expand ...

Early Summer Fishing Can Have an Evolutionary Impact, Resulting in Smaller Salmon

June 5, 2024 — A new genetic study found that heavy fishing in the early part of the fishing season may result in younger and smaller Atlantic salmon. This information can help to conserve large fish essential for ...

How Sharks Survived a Major Spike in Earth's Temperature

June 3, 2024 — The sharks we know today as the open ocean's top predators evolved from stubby bottom dwellers during a dramatic episode of global warming millions of years ...

Trout in Mine-Polluted Rivers Are Genetically 'Isolated'

May 30, 2024 — Trout living in rivers polluted by metal from old mines across the British Isles are genetically 'isolated' from other trout, new research ...

Novel Virus Identified in Zebrafish from the Pet Trade Causes Disease in Laboratory Fish

May 30, 2024 — Zebrafish in the pet trade are asymptomatic carriers of previously undescribed microbes, including a novel virus that causes hemorrhaging in infected laboratory fish, researchers ...

Marine Protected Areas Don't Line Up With Core Habitats of Rare Migratory Fish, Finds New Research

May 29, 2024 — 62% of Marine Protected Areas (MPAs) designated to protect rare migratory fish species are outside of their core habitats, according to a new modeling ...

How Killifish Embryos Use Suspended Animation to Survive Over 8 Months of Drought

May 28, 2024 — The African turquoise killifish lives in ephemeral ponds in Zimbabwe and Mozambique. To survive the annual dry season, the fish's embryos enter a state of extreme suspended animation or ...

Finding the Beat of Collective Animal Motion

May 23, 2024 — Virtual Reality experiments have illuminated the rhythmic glue that could keep animals moving in ...

Constantly on the Hunt for Food: Harbor Porpoises More Vulnerable Than Previously Thought

May 23, 2024 — Constantly on the hunt for food: Harbor porpoises more vulnerable than previously thought to the disturbances from humans. The small whales spend more than 60 percent of their day hunting small fish ...

Sexual Parasitism Helped Anglerfish Invade the Deep Sea During a Time of Global Warming

May 23, 2024 — Members of the vertebrate group including anglerfishes are unique in possessing a characteristic known as sexual parasitism, in which males temporarily attach or permanently fuse with females to ...

A Rise in Sea Urchins and Related Damage to Kelp Forests Impacts Oregon's Gray Whales and Their Food

May 21, 2024 — A recent boom in the purple sea urchin population off the southern Oregon Coast appears to have had an indirect and negative impact on the gray whales that usually forage in the region, a new study ...

Cloudy Waters Causes African Fish to Develop Bigger Eyes

May 20, 2024 — Variations in water quality can impact the development of the visual system of one species of African fish, suggests a new ...

After Hundreds of Years, Study Confirms Bermuda Now Home to Cownose Rays

May 20, 2024 — Using citizen science, photographs, on-water observations and the combination of morphological and genetic data, researchers have provided evidence that the Atlantic cownose ray has recently made a ...

Evolutionary History of Extinct Duck Revealed

May 20, 2024 — The study's findings show mergansers arrived in the New Zealand region at least seven million years ago from the Northern Hemisphere, in a separate colonisation event to that which led to the ...

Scale Matters in Determining Vulnerability of Freshwater Fish to Climate Changes

May 17, 2024 — A team explored the influence the spatial extent of research -- the geographical coverage of data collected -- has on evaluating the sensitivity of different fish species to climate ...