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How fish evolved their bony, scaly armor

About 350 million years ago, your evolutionary ancestors—and the ancestors of all modern vertebrates—were merely soft-bodied animals living in the oceans. In order to survive and evolve to become what we are today, these animals needed to gain so.....»»

Category: topSource:  physorgJul 17th, 2023

Thanks to humans, Salish Sea waters are too noisy for resident orcas to hunt successfully

The Salish Sea—the inland coastal waters of Washington and British Columbia—is home to two unique populations of fish-eating orcas, the northern resident and the southern resident orcas. Human activity over much of the 20th century, including red.....»»

Category: topSource:  physorgRelated NewsSep 10th, 2024

X-ray footage shows how Japanese eels escape from a predator’s stomach

It took escaping eels 56 seconds on average to free themselves from death. Enlarge / "The only species of fish confirmed to be able to escape from the digestive tract of the predatory fish after being captured.” (credit: Hasega.....»»

Category: topSource:  arstechnicaRelated NewsSep 10th, 2024

Legislation to protect fish in Brazil could have opposite effect

A new law aimed at the protection of migratory fish in Brazil's Pantanal wetlands will harm thousands of local and Indigenous fishers, and puts the environment at greater risk from infrastructure development, finds a new study by a UCL researcher and.....»»

Category: topSource:  informationweekRelated NewsSep 9th, 2024

Diet change for more sustainable finfish aquaculture

As the cost of fish oil continues to rise, Australian aquaculture operators are looking for safe and more sustainable sources for healthy formulated feed in order to expand commercial production of the popular yellowtail kingfish......»»

Category: topSource:  theglobeandmailRelated NewsSep 9th, 2024

How Front Range cow waste and car exhaust are hurting Rocky Mountain National Park"s ecosystem

For decades, gases from car exhaust and cow waste have drifted from Colorado's Front Range to harm plants, fish and wildlife in Rocky Mountain National Park, and while a decades-long effort to slow the damage is working, it's not moving as quickly as.....»»

Category: topSource:  physorgRelated NewsSep 9th, 2024

Tagged fish help scientists improve restoration efforts

NOAA scientists are collaborating with some unique partners to learn more about how several Chesapeake Bay species use natural and restored areas near Poplar Island, on Maryland's Eastern Shore......»»

Category: topSource:  physorgRelated NewsSep 6th, 2024

Here’s when we’ll learn the fates of Marvel’s Blade and Armor Wars movies

Marvel has had a great summer so far, enjoying the massive success of Deadpool & Wolverine in theaters while stunning fans with its Comic-Con and … The post Here’s when we’ll learn the fates of Marvel’s Blade and Armor Wars mo.....»»

Category: gadgetSource:  bgrRelated NewsSep 5th, 2024

How fish guts might play a role in future skin care products

There are some pretty strange ingredients in cosmetics and skin care products. One example is snail mucin—also known as snail slime—which is used for its moisturizing and antioxidant properties. But researchers reporting in ACS Omega might have f.....»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

Regulatory gene influences shape recognition in medaka fish, scientists discover

Medaka fish that lack functional Hmgn2 genes are unable to distinguish between simple shapes, revealing a new function for the regulatory gene......»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

Northern elephant seals use deep-sea research sonar as dinner bell

Northern elephant seals were repeatedly captured on camera in the deep Pacific Ocean using sonar from an Ocean Networks Canada (ONC) observatory as a dinner bell to forage for their next fish feast, according to a new study led by University of Victo.....»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

Fish kill results in about 24,000 dead fish in Baltimore"s Inner Harbor

Maryland officials investigated a fish kill on Sept 04 in Baltimore's Inner Harbor, after about 24,000 dead fish were observed between the Rusty Scupper and the Maryland Science Center, as well as near Piers 5 and 6......»»

Category: topSource:  physorgRelated NewsSep 5th, 2024

India"s new mega-dam will roil lives downstream with wild swings in water flow every day

"Hey Rupam, open the door. Take this fish," a woman yelled from outside. I was sitting in the kitchen at my friend Rupam's house in rural northeast India. It was the heart of monsoon season, and rain had been falling since morning. The woman must hav.....»»

Category: topSource:  informationweekRelated NewsSep 4th, 2024

Research shows 50-year generation gap in the bigmouth buffalo, Minnesota"s longest-lived fish

A recent study in one of the most pristine spawning grounds for a Minnesota fish has found a half-century gap between successful broods, and that number's climbing......»»

Category: topSource:  physorgRelated NewsSep 3rd, 2024

Researchers" video techniques reveal trout"s energy-saving secret

Mimicking animals is a proven strategy in robot design. Take, for example, Haibo Dong's seminal studies on how fins propel fish by churning the water in a vortex......»»

Category: topSource:  physorgRelated NewsSep 3rd, 2024

Space Marine 2 preload guide: release time, file size, and preorder

We've all got our guns loaded, armor on, and chainswords ready to go for Space Marine 2, but are our consoles and PCs? Here are the preload details you need......»»

Category: topSource:  digitaltrendsRelated NewsSep 3rd, 2024

Thailand nets 1.3 million kilograms of invasive fish

Thailand has netted more than 1.3 million kilograms of highly destructive blackchin tilapia fish, the government said Tuesday, as it battles to stamp out the invasive species......»»

Category: topSource:  physorgRelated NewsSep 3rd, 2024

Investigation reveals global fisheries are in far worse shape than we thought—and many have already collapsed

When fish are taken from our oceans faster than they can reproduce, their population numbers decline. This over-fishing upsets marine ecosystems. It's also bad for human populations that rely on fish for protein in their diets......»»

Category: topSource:  physorgRelated NewsAug 31st, 2024

Number of fish species at risk of extinction five-fold higher than previous estimates according to new prediction

Researchers predict that 12.7% of marine teleost fish species are at risk of extinction, up five-fold from the International Union for Conservation of Nature's prior estimate of 2.5%......»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

AI peers into the deep: High-resolution 3D tracking of coral reef fish

A study by the Leibniz Center for Tropical Marine Research (ZMT) is employing new methods in coral reef research. Under the leadership of fish ecologist Dr. Julian Lilkendey, an international research team utilized innovative AI technologies to analy.....»»

Category: topSource:  physorgRelated NewsAug 29th, 2024

Study shows pollution affects the growth and behavior of aquatic organisms

Research at the University of Jyväskylä, Finland, reveals that size-based selection, as happens in fishing, may impact the stress tolerance of fish, which in turn has a significant impact on the condition and coping of fish in changing environments.....»»

Category: topSource:  physorgRelated NewsAug 28th, 2024