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Fisheries News
July 27, 2023

Top Headlines

Food Size Matters

Prey size and risk of predation are strongly related to the medium-sized Daphnia -- a small, planktonic crustacean -- targeted by aquatic insects and fish. This phenotypic plasticity has been shown to be expressed by a variety of factors, including predator type, predator mode, and density. ...

Shark Shock: Scientists Discover Filter-Feeding Basking Sharks Are Warm-Bodied Like Great Whites

Approximately 99.9% of fish and shark species are 'cold-blooded', meaning their body tissues generally match the temperature of the water they swim in -- but researchers have just discovered the mighty basking shark is a one-in-a-thousand exception. ...

Deciphering Fish Species Interactions for Climate Change Insights

A team has developed a technique to study how different fish species interact with each other in a coastal region, a breakthrough that helps explain the complex relationships among marine species and how global warming impacts fish ...

Ocean Animals Vacate Areas Both Around and Outside Deep-Sea Mining Operations

In 2020, Japan performed the first successful test extracting cobalt crusts from the top of deep-sea mountains to mine cobalt -- a mineral used in electric vehicle batteries. Not only do directly mined areas become less habitable for ocean animals, ...
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Earlier Headlines

Why Certain Fish Are Left Off the Hook

A new study found that while a piece of legislation designed to foster the sustainability of marine fisheries is sometimes blamed for being too stringent -- leading to what some politicians call ...

Biodegradable Plastic from Sugar Cane Also Threatens the Environment

Plastic made from cane sugar also threatens the environment. Researchers from the University of Gothenburg have found that perch change their behavior when exposed to so-called ...

Overfishing Linked to Rapid Evolution of Codfish

The overfishing of codfish spanning the second half of the 20th century indicates that human action can force evolutionary changes more quickly than widely believed, according to a new ...

Protecting Large Ocean Areas Doesn't Curb Fishing Catches

In the first-ever 'before and after' assessment of the impact of establishing Mexico's Revillagigedo National Park on the fishing industry, a team of US and Mexican researchers found ...

New Use for A.I.: Correctly Estimating Fish Stocks

A newly published artificial intelligence (AI) algorithm is allowing researchers to quickly and accurately estimate coastal fish stocks without ever entering the ...

Water Warming Study Shows Unexpected Impact on Fish Size

The theory that water-breathing animals such as fish will shrink due to global warming has been called into question by a new ...

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Harmful Fisheries Subsidies Are Leading to More Fishing Vessels Chasing Fewer Fish, Resulting in Adverse Environmental and Societal Impacts

A recent study quantified the number of harmful fisheries subsidies that support fishing in the high seas, domestic and foreign waters and found that between 20 and 37 per cent of these subsidies ...

Robot Fish Makes Splash With Motion Breakthrough

A coil-powered robot fish could make underwater exploration more ...

X-Ray Analysis Sheds New Light on Prehistoric Predator's Last Meal

We now know more about the diet of a prehistoric creature that grew up to two and a half meters long and lived in Australian waters during the time of the dinosaurs, thanks to the power of x-rays. ...

Hairs That Help Fish Feel -- And Humans Hear

Scientists are reporting a discovery about unexpected asymmetry on the hair cells of zebrafish that allow them to detect movement with greater sensitivity from the back than the ...

Time-Restricted Fasting Could Cause Fertility Problems

Researchers have found that time-restricted fasting could cause fertility problems. Time-restricted fasting is an eating pattern where people limit their food consumption to certain hours of the day. ...

New Tool Shows Progress in Fighting Spread of Invasive Grass Carp in Great Lakes

Researchers created a new way to estimate the abundance of invasive 'sleeper' species in freshwater ecosystems and help guide management ...

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A Cold-Specialized Icefish Species Underwent Major Genetic Changes as It Migrated to Temperate Waters

Biologists have explored the genetic mechanisms underlying the transition from freezing Antarctic waters to more temperature waters by Antarctic Notothenioid ...

Rainbow Trout Subspecies Newly Named

The McCloud River redband trout, or O. mykiss calisulat, is newly identified as its own distinct subspecies of rainbow trout in a new study. It was named in consultation with the Winnemem Wintu ...

Juvenile Black Rockfish Affected by Marine Heat Wave but Not Always for the Worse, Research Shows

Larvae produced by black rockfish, a linchpin of the West Coast commercial fishing industry for the past eight decades, fared better during two recent years of unusually high ocean temperatures than ...

Climate Change Threatens Global Fisheries

The diet quality of fish across large parts of the world's oceans could decline by up to 10 per cent as climate change impacts an integral part of marine food chains, a major study has ...

Biodiversity Amid Climate Change

减少寄生虫在美国水域可能被马ny as a good thing, but a biologist says the trend signals potential danger for fish and other ...

Jellyfish Size Might Influence Their Nutritional Value

Researchers confirmed what was already known: jellyfish eat bigger prey as they grow, which means they also occupy a higher position in the food web as they grow. They also found that some of the ...

Unraveling Whale Entanglement Risk Factors Off Oregon Coast

New research is beginning to unravel the times of year and locations where whales are at greatest danger of entanglement in fishing gear on the Oregon ...

Parasites Alter Likelihood of Fish Being Caught by Anglers

Parasitic infections in salmonid fish can increase or decrease their vulnerability to angling, depending on their body ...

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