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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......»»

Category: topSource:  physorgOct 3rd, 2024

We"re going to need a bigger drone: The technology keeping swimmers safe at one New York beach

Warmer and cleaner waters off the coast of Long Island, New York, in recent years have brought growing numbers of bait fish to the area — and with them, the bigger fish that eat them, including sharks. In some ways, it's a good sign for the environ.....»»

Category: topSource:  cnnRelated NewsAug 14th, 2023

After a string of shark attacks, here"s how officers at one New York beach use drones to keep swimmers safe

Warmer and cleaner waters off the coast of Long Island, New York, in recent years have brought growing numbers of bait fish to the area — and with them, the bigger fish that eat them, including sharks. In some ways, it's a good sign for the environ.....»»

Category: topSource:  cnnRelated NewsAug 14th, 2023

Accelerated evolution and automated aquaculture could help coral weather the heat

Coral on the Great Barrier Reef has regrown strongly after the big losses of 2016 and 2017, when water temperatures were significantly above the long-term average. While this is good news, it's largely luck. The reef experienced mass bleaching in 202.....»»

Category: topSource:  physorgRelated NewsAug 13th, 2023

Researchers create 3D-printed vegan seafood

In the refrigerated grocery store aisle, meat alternatives greatly outnumber plant-based seafoods. But more mock seafood options are needed because of unsustainable fishing and aquaculture practices, which can deplete the supply and harm the environm.....»»

Category: topSource:  physorgRelated NewsAug 13th, 2023

Hormone alters electric fish"s signal-canceling trick

During the rainy breeding season, the underwater "conversation" among electric fish changes. Fish revved up to make a match broadcast slightly different signals to advertise their presence and identify compatible mates......»»

Category: topSource:  physorgRelated NewsAug 10th, 2023

Warming oceans and rivers cause genomic changes in fish, scientists find

A study of four common fish species by University of Manchester scientists has revealed that gene expression changes when their developing embryos are exposed to warmer waters......»»

Category: topSource:  physorgRelated NewsAug 10th, 2023

The Weird Way That Human Waste Is Killing Corals

Wastewater fuels blooms of reef-smothering algae. Better engineering and an army of funny-looking fish can come to the rescue......»»

Category: gadgetSource:  wiredRelated NewsAug 9th, 2023

Top fish predators could suffer wide loss of suitable habitat by 2100 due to climate change

A study of 12 species of highly migratory fish predators—including sharks, tuna, and billfish such as marlin and swordfish—finds that most of them will encounter widespread losses of suitable habitat and redistribution from current habitats in th.....»»

Category: topSource:  physorgRelated NewsAug 9th, 2023

Stealth swimmers: The fish that hide behind other fish to hunt

A new study provides the first experimental evidence that the trumpetfish, Aulostomus maculatus, can conceal itself by swimming closely behind another fish while hunting—and reduce the likelihood of being detected by its prey. The study, involving.....»»

Category: topSource:  physorgRelated NewsAug 7th, 2023

Water-stressed Iraq dries up fish farms

Iraqi villager Omar Ziad gazes at the cracked and barren earth where his fish farm once stood, lost to water conservation efforts during a devastating four-year drought......»»

Category: topSource:  physorgRelated NewsAug 7th, 2023

About 1 in 3 vertebrate species is used, eaten or traded by humans, study finds

A cheetah pouncing on a gazelle. A bear snatching a fish out of the water with its claws. And the most dangerous predator of them all? A human and their pet bird dancing to Gangnam Style......»»

Category: topSource:  physorgRelated NewsAug 5th, 2023

Dead fish carpet beaches at Pacific coast town in north Mexico as experts blame toxic algae bloom

A town on northern Mexico's Pacific coast saw its beaches carpeted with dead fish after what experts describe as a toxic algae bloom......»»

Category: topSource:  marketingvoxRelated NewsAug 3rd, 2023

Red tide returns to San Francisco Bay, one year after large fish die-off

A toxic red tide has returned to San Francisco Bay, raising fears of a reprise of last summer's unusually large fish die-off......»»

Category: topSource:  physorgRelated NewsAug 1st, 2023

Researchers find evolutionary adaption in trout of Wyoming"s Wind River Mountains

The lakes in Wyoming's Wind River Mountains historically didn't contain fish, but stocking of trout that began in the early 1900s has created an environment in which hundreds of those lakes now have strong fish populations—some carried on by natura.....»»

Category: topSource:  pcmagRelated NewsJul 31st, 2023

Billions in conservation spending fail to improve wild fish stocks in Columbia Basin

Four decades of conservation spending totaling more than $9 billion in inflation-adjusted tax dollars has failed to improve stocks of wild salmon and steelhead in the Columbia River Basin, according to Oregon State University research......»»

Category: topSource:  physorgRelated NewsJul 28th, 2023

Researchers find new species of Australian shark

Last year, scientists from our Australian National Fish Collection (ANFC) caught a species of shark new to science. That specimen became the holotype of a newly named species, the reference specimen for the new scientific name......»»

Category: topSource:  physorgRelated NewsJul 27th, 2023

Hands-on with the all-new Apple Watch Stocks app in watchOS 10 [Gallery]

A number of native Apple Watch apps have been overhauled with watchOS 10, one of which is the Stocks app. Follow along for a look at the redesigned Apple Watch Stocks app that offers a new UI with a richer experience. more… The post Hands-on with.....»»

Category: gadgetSource:  9to5macRelated NewsJul 24th, 2023

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. I.....»»

Category: topSource:  pcmagRelated NewsJul 20th, 2023

New discovery unveils the ancient marine origins of gar fish

A new species of ancient gar fish that thrived in a marine environment 66 million years ago has been identified by an international team of paleontologists......»»

Category: topSource:  physorgRelated NewsJul 20th, 2023

Fossil study shows coelacanths thrived in Switzerland after a mass extinction

The study of a new species of coelacanth from the Middle Triassic period, with a strange morphology for these fish known as "living fossil," show the formation of several species in a short time, after a mass extinction that occurred 252 million year.....»»

Category: topSource:  physorgRelated NewsJul 20th, 2023