Senegal looks to aquaculture as fish stocks dwindle
The Senegalese town of Kayar sits on the doorstep of the vast Atlantic Ocean, but it is a farm located further inland that provides part of its fish production......»»
Stress may trigger male crucian carp defense against predators
Only males among the fish species crucian carp have developed a strategy to protect themselves from hungry predators, according to a new study from Lund University in Sweden published in the journal Evolution. The explanation could lie in that the su.....»»
Wolves eliminate deer on Alaskan Island then quickly shift to eating sea otters, research finds
Wolves on an Alaskan island caused a deer population to plumet and switched to primarily eating sea otters in just a few years, a finding scientists at Oregon State University and the Alaska Department of Fish and Game believe is the first case of se.....»»
Virus plus microplastics equal double whammy for fish health
Microplastics—tiny particles generated as plastics weather and fragment—pose a growing threat to ecosystem and human health. A new laboratory study shows these threats extend beyond direct physical or chemical impacts, revealing that the presence.....»»
Exploding carp numbers are "like a house of horrors" for Australia"s rivers. Is it time to unleash carp herpes?
With widespread La Niña flooding in the Murray-Darling Basin, common carp (Cyprinus carpio) populations are having a boom year. Videos of writhing masses of both adult and young fish illustrate that all is not well in our rivers. Carp now account fo.....»»
Tim Cook held all his Apple stock in 2022, as other execs sold
A number of Apple executives sold more of their stocks in the company in 2022 than the year before, but Tim Cook didn't sell any.Recently, Cook notably asked for his overall salary to effectively have a 40% cut. Now it's been revealed that he also ha.....»»
New method can determine how much a predatory fish eats, which can contribute to more sustainable fishing
Imagine that in the future, we know exactly how many fish we can catch without negatively impacting either the stock of predatory fish or their prey—and that we can actually regulate the amount of fish if an excess of, say, cod suddenly occurs in a.....»»
Environmental rules stoke anger as California lets precious stormwater wash out to sea
Environmental rules designed to protect imperiled fish in the Sacramento-San Joaquin River Delta have ignited anger among a group of bipartisan lawmakers, who say too much of California's stormwater is being washed out to sea instead of being pumped.....»»
Researchers create portal of weird and wonderful fish sounds
Lurking beneath the ocean surface is a little-known chorus of sounds made up of everything from the grunts of a Bocon toadfish and the cough of an alewife to the rasp and ticks made by sablefish......»»
Rare native fish spotted in Wellington Harbor
A rare native fish has been photographed in Wellington Harbor and researchers believe it's one of the few times the species has been caught on camera in its natural habitat......»»
Are the fish in your aquarium happy? Five things to look out for
If 1,500 captive mammals suffocated to death in a zoo, their suffering would spark an outcry. So when a Berlin hotel aquarium exploded at the end of 2022, why did so few people comment on the welfare of the fish? Aquatic species don't seem to induce.....»»
The role of a novel long non-coding RNA in the immune escape of pathogenic Vibrio in fish
MicroRNAs (miRNA) are small non-coding RNAs that regulate almost all biological processes, protein production, inflammatory responses, immune regulation, tumorigenesis and infection. In mammals, the classic formation of miRNA needs to transcribe a lo.....»»
Eating one wild fish same as month of drinking tainted water: study
Eating one freshwater fish caught in a river or lake in the United States is the equivalent of drinking a month's worth of water contaminated with toxic "forever chemicals", new research said on Tuesday......»»
Is worst of new-vehicle inventory shortage in rearview mirror?
Inventory levels rose sharply in December and crested 1.8 million for the first time since May 2021, according to Cox Automotive. While still constrained, a slower selling rate has helped dealership stocks return to something closer to normal levels,.....»»
Social media and aerial mapping of sea floor reveal that tourists love Hawaiian coral reefs just a little too much
Coral reefs are vibrant ecosystems for marine life and provide vital environmental benefits for humanity, such as storm wave mitigation, bountiful fish stocks, and ocean-based livelihoods. They are also a global attraction for tourists, drawing milli.....»»
Coral bleaching causing "unnecessary" fish fights
Fish that have lost food due to mass coral bleaching are getting into more unnecessary fights, causing them to expend precious energy and potentially threatening their survival, new research said Wednesday......»»
Invasive rats transform reef fish behavior
Scientists have discovered for the first time that invasive rats on tropical islands are affecting the territorial behavior of fish on surrounding coral reefs......»»
Reef fish must relearn the "rules of engagement" after coral bleaching
Mass coral bleaching events are making it harder for some species of reef fish to identify competitors, new research reveals......»»
Up close and personal: Dolphin POV caught on camera while hunting tasty fish
Accompanying audio recorded dolphins squealing in victory when they captured prey. Enlarge / "I spy with my dolphin eye... something that looks like prey!" (credit: Ridgway et al., 2022, PLOS ONE/CC-BY 4.0) There's ra.....»»
Up close and personal: Dolphin POV caught on camera while hunting for tasty fish
Accompanying audio recorded dolphins squealing in victory when they captured prey. Enlarge / "I spy with my dolphin eye... something that looks like prey!" (credit: Ridgway et al., 2022, PLOS ONE/CC-BY 4.0) There's ra.....»»
Deep learning may help to prevent salmon escapes in rough seas
Artificial intelligence can be of great benefit underwater and SINTEF, in collaboration with the research center SFI Exposed, is developing systems that will help to boost fish farm safety and security under harsh sea conditions......»»