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How fish got their spines

In the movie "A Fish Called Wanda," the villain Otto effortlessly gobbles up all the occupants of Ken`s fish tank. Reality, however, is more daunting. At least one unfortunate fan who re-enacted this scene was hospitalized with a fish stuck in the th.....»»

Category: topSource:  physorgJul 5th, 2021

Researcher says not every exotic species needs to be controlled

Certain invasive exotic species, such as the red swamp crayfish, are harmful to our environment because they nibble on aquatic plants, dig burrows in banks, and transmit crayfish plague to native species. "But there are also non-native fish and crayf.....»»

Category: topSource:  physorgRelated NewsMay 27th, 2024

Sturgeon remain rare in Great Lakes, but Detroit River"s population thrives

A pair of federal fish experts braced themselves as they cradled a hulking fish over the side of their boat just north of the Grosse Ile Toll Bridge. Its kick would be strong enough to unhorse a novice angler, but the duo had performed this routine 3.....»»

Category: topSource:  marketingvoxRelated NewsMay 27th, 2024

Fish are adapting to weightlessness on the Chinese space station

Four zebrafish are alive and well after nearly a month in space aboard China's Tiangong space station. As part of an experiment testing the development of vertebrates in microgravity, the fish live and swim within a small habitat aboard the station......»»

Category: topSource:  marketingvoxRelated NewsMay 27th, 2024

State wildlife agency will pay residents $100 to catch one type of fish — here"s why

State wildlife agency will pay residents $100 to catch one type of fish — here"s why.....»»

Category: topSource:  marketingvoxRelated NewsMay 26th, 2024

Arkansas angler double snags trophy fish in Greers Ferry Lake

Arkansas angler double snags trophy fish in Greers Ferry Lake.....»»

Category: topSource:  pcmagRelated NewsMay 26th, 2024

The Curious Life of a ‘Grotesque’ Singing Fish

Plainfin midshipmen migrate from the deep sea to the intertidal zone to spawn, and that’s when things really get loud.....»»

Category: scienceSource:  sciamRelated NewsMay 24th, 2024

Simulations of swimming fish suggest fish may naturally prefer to compete—not cooperate—during swimming

Researchers have shown how different swimming formations may save fish energy and suggest that they only switch positions to save energy for the group when under pressure......»»

Category: topSource:  theglobeandmailRelated NewsMay 22nd, 2024

Collapse in migratory fish populations threatens health of millions and critical freshwater ecosystems

Populations of migratory freshwater fish species—including salmon, trout, eel, and sturgeon—continue to decline across the globe. This decline risks the food security and livelihoods of millions of people, the survival of countless other species,.....»»

Category: topSource:  pcmagRelated NewsMay 21st, 2024

Researchers investigate mercury concentrations in fish and wildlife on a global scale

A paper, titled "Global Mercury Concentrations in Biota: Their Use as a Basis for a Global Biomonitoring Framework" and published in the journal Ecotoxicology, describes for the first time currently available mercury data for fish and wildlife on a g.....»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

Study finds cloudy waters may drive African fish to develop bigger eyes

Variations in water quality can impact the development of the visual system of one species of African fish, suggests a new study......»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

Ancient DNA from an extinct native duck reveals how far birds flew to make New Zealand home

Ask a bird lover if they have heard of the extinct giant moa or its ancient predator, Haast's eagle, and the answer will likely be yes. The same can't be said of New Zealand's extinct, but equally unique, mergansers—a group of fish-eating ducks wit.....»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

California bans salmon fishing for the season in Sacramento-area rivers and Klamath basin

The California Fish and Game Commission has voted to ban salmon fishing in the Sacramento, American, Feather and Mokelumne rivers......»»

Category: topSource:  physorgRelated NewsMay 20th, 2024

More than a dozen gigantic, decades-old fish removed from Colorado pond

Colorado Parks and Wildlife officials removed 14 massive, invasive carp from a pond at an Arvada park last week, more than 30 years after the fish were introduced as part of a national study......»»

Category: topSource:  physorgRelated NewsMay 14th, 2024

Angling fish for food: Study finds recreational fishing accounts for 11% of reported harvest in inland fisheries

Rod and reel fishing is much more than a recreational activity: It makes an important contribution to the diet in many regions of the world. This is shown by an international team of researchers, including Robert Arlinghaus, Professor for Integrative.....»»

Category: topSource:  physorgRelated NewsMay 13th, 2024

An "unusually high number" of emaciated California brown pelicans are turning up on shore

Large numbers of California brown pelicans are turning up on shore with signs of malnutrition, prompting a California Department of Fish and Wildlife investigation......»»

Category: topSource:  physorgRelated NewsMay 13th, 2024

Genetic study finds early summer fishing can have an evolutionary impact, resulting in smaller salmon

Atlantic salmon are caught by fisheries when the fish are migrating to spawn. A new study led by the University of Helsinki explored how salmon caught at different times during their spawning migration differ from each other genetically. The study on.....»»

Category: topSource:  physorgRelated NewsMay 8th, 2024

Scientists find ancient, endangered lamprey fish in Queensland, 1400 km north of its previous known range

The Australian brook lamprey (Mordacia praecox) is part of a group of primitive jawless fish. It's up to 15 cm long, with rows of sharp teeth. Surprisingly, it doesn't use these teeth to suck blood like most lamprey species—it's non-parasitic......»»

Category: topSource:  physorgRelated NewsMay 8th, 2024

Researchers develop bioinspired Bouligand structure for enhanced mechanical properties

Bouligand structures, found in natural materials like fish scales, lobster peritoneum and bones, are known for providing exceptional mechanical properties to biomaterials. While progress has been made in creating bioinspired materials, most research.....»»

Category: topSource:  physorgRelated NewsMay 7th, 2024

Fish residues can compensate for raw materials shortages and improve our health in the bargain

More than a million tons of fish residues can rescue the food and cosmetic industries from raw materials shortages—and create new jobs. The key factors here are oils rich in omega-3, collagen and gelatin......»»

Category: topSource:  physorgRelated NewsMay 6th, 2024

DDT pollutants found in deep sea fish off LA coast raise questions about the pesticide"s continuing threat to wildlife

In the 1940s and 1950s, the ocean off the coast of Los Angeles was a dumping ground for the nation's largest manufacturer of the pesticide DDT—a chemical now known to harm humans and wildlife. Due to the stubborn chemistry of DDT and its toxic brea.....»»

Category: topSource:  physorgRelated NewsMay 6th, 2024