Fish News

July 26, 2024

Top Headlines

Human-Infecting Parasite Produces Sterile Soldiers Like Ants and Termites

July 23, 2024 — New research finds a tiny freshwater parasite known to cause health problems in humans defends its colonies with a class of soldiers that cannot reproduce. The discovery vaults this species of parasitic flatworm into the ranks of complex animal ...

See Less to Move Better: Dynamic Schooling of Fish by Visual Selection and Focus

July 24, 2024 — Sometimes less is more. Researchers accurately modeled dynamic fish schooling by incorporating the tendency of fish to focus on a single visual target instead of the whole school, as well as other ...

Researchers Record Images and Data of a Shark Experiencing a Boat Strike

July 24, 2024 — Researchers have captured what they believe is the first ever video of a shark or any large marine animal being struck by a ...

Whale Shark Tracked for Record-Breaking Four Years

July 24, 2024 — Researchers have been tracking a 26-foot endangered whale shark -- named 'Rio Lady' -- with a satellite transmitter for more than four years -- a record for whale sharks and one of the longest tracking endeavors for any species of ...

Latest Headlines

updated 9:09pm EDT

Marine Protected Areas Producing More 'Trophy-Size' Fish, Research Finds

July 19, 2024 — Marine Protected Areas are having a positive spillover effect, producing more 'trophy-size' fish just outside of the fully protected areas, and the effect is growing stronger over time, according to ...

Eco-Friendly Treatment Saves Squid Eggs from Newfound Parasite

July 22, 2024 — Raising squid in aquaculture has been a challenge that researchers have tried to address for many decades without meaningful success. Squid are highly sensitive to changes in water flow, are ...

Fish Adjust Reproduction in Response to Predators

July 19, 2024 — Some species of fish can evolve their egg-laying habits in response to predators in the area in order to survive, according to new ...

The Most Endangered Fish Are the Least Studied

July 17, 2024 — The most threatened reef fishes are also the most overlooked by scientists and the general public. Scientists measured the level of human interest in 2,408 species of marine reef fish and found that ...

Reef Pest Feasts on 'Sea Sawdust'

July 17, 2024 — Researchers have uncovered an under the sea phenomenon where coral-destroying crown-of-thorns starfish larvae have been feasting on blue-green algae bacteria known as 'sea ...

Urban Seagulls Still Prefer Seafood

July 11, 2024 — Seagull chicks raised on an 'urban' diet still prefer ...

Hatcheries Can Boost Wild Salmon Numbers but Reduce Diversity, Studies Find

July 11, 2024 — The ability of salmon hatcheries to increase wild salmon abundance may come at the cost of reduced diversity among wild salmon, according to a new ...

Study Projects Major Changes in North Atlantic and Arctic Marine Ecosystems Due to Climate Change

July 8, 2024 — New research predicts significant shifts in marine fish communities in the North Atlantic and Arctic Oceans as a result of climate ...

A New Species of Extinct Crocodile Relative Rewrites Life on the Triassic Coastline

July 10, 2024 — The surprising discovery of a new species of extinct crocodile relative from the Triassic Favret Formation of Nevada, USA, rewrites the story of life ...

Groundbreaking Study Reveals Oceanic Seabirds Chase Tropical Cyclones

July 9, 2024 — A new study reveals that the rare Desertas Petrels (Pterodroma deserta), a wide-ranging seabird in the North Atlantic, exhibit unique foraging behaviors during hurricane season. Contrary to other ...

Coral Reefs: Battlegrounds for Survival in a Changing Climate

July 8, 2024 — Coral reefs, those vibrant underwater cities, stand on the precipice of collapse. While rising ocean temperatures and coral bleaching grab headlines, a new essay reveals a hidden layer of complexity ...

Wastewater Is a Viable Medium for Growing Lettuce in Hydroponic Systems

July 3, 2024 — Urban agriculture has the potential to improve food security through local, efficient, and sustainable food production. Examples of urban food systems include hydroponics, where plants grow in a ...

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 ...

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 ...

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 adolescence did not experience the protective effects ...

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 ...

Eating Small Fish Whole Can Prolong Life Expectancy, a Japanese Study Finds

June 26, 2024 — A new study has found evidence linking the intake of whole-sized small fish with a reduced risk of all-cause and cancer mortality in Japanese ...

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 ...

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 pairs of seabirds lost to tropical islands. ...

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 local cichlid species, report scientists. Through ...

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 ...

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 found on New Zealand's South Island. 246 million ...

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 ...

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 ...

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, ...

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 ...