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How many fish do the fat bears eat?

In one sitting, the internet-famous fat bear Otis once ate a whopping 42 salmon. That could be some 150,000 calories. Otis, like all the fat brown bears at Katmai National Park and Preserve, must outlast the long winter famine. During hibernation the.....»»

Category: topSource:  marketingvoxOct 6th, 2022

Scientists identify brain circuits tied to the behavior of schooling fish

A flock of migrating geese glides through the summer sky in an unmistakable "V" formation… a thundering herd of bison rumbles across the plains as a formidable group... and a massive school of sardines swims mesmerizingly in unison......»»

Category: topSource:  physorgRelated NewsJul 17th, 2024

After grizzly"s death, environmental groups to sue Fish and Game over Idaho bear baiting

Several environmental activist groups on July 15 notified state officials and the Idaho Department of Fish and Game that they intend to file a lawsuit over the agency's allowance of bear baiting, which the groups said put federally protected grizzly.....»»

Category: topSource:  physorgRelated NewsJul 16th, 2024

Q&A: "We lost instruments chewed or crunched by bears and sea otters"—how a researcher listens for elusive belugas

Dr. Manuel Castellote studies the behavior and conservation of whales and dolphins. After beginning his academic career in Spain, he now works in the United States, applying acoustic techniques to learn more about cetaceans—especially beluga whales.....»»

Category: topSource:  physorgRelated NewsJul 16th, 2024

Wildlife tracking technology that adheres to fur delivers promising results from trials on wild polar bears

Studying polar bears just became a lot easier with new "burr on fur" trackers which confirmed scientists' belief that subadult and adult males spend most of their time on land lazing around, conserving energy until the ice returns......»»

Category: topSource:  physorgRelated NewsJul 15th, 2024

Accepting uncertainty in sustainable fisheries is essential in a rapidly changing Arctic, says researcher

Climate change is making it almost impossible to decide how much, where and what to sustainably fish as the fate of future fisheries is becoming increasingly uncertain. This is leading to a slow process or inaction in adapting fisheries and their man.....»»

Category: topSource:  physorgRelated NewsJul 12th, 2024

Canada conservationists push back as grizzly hunting ban lifted

A decision to partially reverse a nearly two-decade ban on hunting grizzly bears in Canada's Alberta has angered environmentalists, with a group saying Wednesday they feared its impact on the species......»»

Category: topSource:  physorgRelated NewsJul 11th, 2024

Complete genome and toxin genes of the microalgae from the Oder River disaster decoded

In the summer of 2022, around 1,000 tons of fish, mussels and snails died in the River Oder. Although the disaster was manmade, the immediate cause of death was the toxin of a microalgae with the scientific collective name Prymnesium parvum, often re.....»»

Category: topSource:  informationweekRelated NewsJul 9th, 2024

Study projects major changes in North Atlantic and Arctic marine ecosystems due to climate change

New research predicts significant shifts in marine fish communities in the North Atlantic and Arctic Oceans as a result of climate warming......»»

Category: topSource:  physorgRelated NewsJul 8th, 2024

New study augments distribution and reproduction data for little-known female Oceania fantail rays

Among the cartilaginous fish of the class Chondrichthyes, batoid rays—along with sharks, skates and sawfish—belong to the subclass known as Elasmobranchii. To date, limited literature exists on the reproductive practices of batoid rays, including.....»»

Category: topSource:  pcmagRelated NewsJul 8th, 2024

Shark attacks are on the rise worldwide, study says: How common are they in California?

The start of summer signals the return of shark sightings, according to the California Department of Fish and Wildlife......»»

Category: topSource:  physorgRelated NewsJul 5th, 2024

Hurricane Beryl bears down on Jamaica

Powerful Hurricane Beryl churned toward Jamaica on Wednesday with dangerous winds and sea surge, as residents hunkered down against a storm that has killed seven people and caused destruction in the Caribbean......»»

Category: topSource:  physorgRelated NewsJul 3rd, 2024

Dealing with a taboo: Do hunting and fishing bring us closer to nature?

Buying fish, sausage or meat saves you from breaking a social taboo in some industrialized nations, especially when hunting and fishing are conducted for recreation. In a perspective article in Nature Sustainability, a research team from the natural.....»»

Category: topSource:  physorgRelated NewsJul 3rd, 2024

Artificial light is a deadly siren song for young fish

New research finds that artificial light at night (ALAN) attracts larval fish away from naturally lit habitats while dramatically lowering their chances of survival in an "ecological trap," with serious consequences for fish conservation and fishing.....»»

Category: topSource:  physorgRelated NewsJul 3rd, 2024

Pregnant fish can also get "baby brain," but not the way that mammals do

New research reveals that pregnancy-related brain impairment is present in live-bearing fish, but instead of affecting learning and memory as expected from similar research on mammals, it appears to have a stronger impact on decision-making and senso.....»»

Category: topSource:  physorgRelated NewsJul 3rd, 2024

It"s a challenging drive to Washington"s ocean beaches as state spends billions to help fish

It took 50 million years for salmon to evolve and only about 50 years to nearly wipe them out. Now, Washington's native salmon and steelhead populations are getting a reprieve—one stream at a time......»»

Category: topSource:  physorgRelated NewsJul 3rd, 2024

A pregnant stingray with no male companion now has a "reproductive disease," aquarium says

A North Carolina aquarium that said it had a pregnant stingray with no male companion now says the fish has a rare reproductive disease......»»

Category: topSource:  physorgRelated NewsMay 31st, 2024

Unveiling sea country management monitoring trends in Australia

AIMS scientists have partnered with Indigenous communities in the remote Kimberley region of Australia's northwest to monitor culturally important fish populations on coral reefs and incorporate the variability in data to better inform sea country ma.....»»

Category: topSource:  physorgRelated NewsMay 31st, 2024

Novel virus identified in zebrafish from the pet trade causes disease in laboratory fish

Zebrafish in the pet trade are asymptomatic carriers of previously undescribed microbes, including a novel virus that causes hemorrhaging in infected laboratory fish, Marlen Rice from the University of Utah, US, and colleagues report in the open-acce.....»»

Category: topSource:  physorgRelated NewsMay 30th, 2024

How did the zebrafish get its stripes? Researchers are one step closer to finding out

Although zebrafish are much smaller and less famous than their terrestrial namesakes, the tiny fish possess a unique ability: They can rapidly change the color of their characteristic stripes from blue to yellow when they're distressed......»»

Category: topSource:  physorgRelated NewsMay 30th, 2024

Marine Protected Areas don"t line up with core habitats of rare migratory fish, finds new research

According to a new modeling study, 62% of Marine Protected Areas (MPAs) designated to protect rare migratory fish species are outside of their core habitats. The findings are published in the Journal of Applied Ecology......»»

Category: topSource:  physorgRelated NewsMay 29th, 2024