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......»»
Studies assess feasibility of aquaculture wastewater treatment methods
Aquaculture production operations that help feed the world's growing population also generate polluted wastewater that harms the environment. Four studies published by Purdue University scientists since last May document the feasibility of previously.....»»
Why do male chicks play more than females? Study finds answers in distant ancestor
Play is widespread, but far from ubiquitous, across the animal kingdom. Especially common in mammals, play is also known to occur in taxa as diverse as birds, fish, octopuses, and even insects. But what is its function, given that natural selection n.....»»
Marine sharks and rays "use" urea to delay reproduction, finds study
Urea—the main component of human urine—plays an important role in the timing of maturation of sharks, rays and other cartilaginous fish......»»
Rising tides, sinking stocks: Study explores cost of climate change
As the financial implications of climate change continue to soar, a forthcoming journal article explores its effects on company values......»»
Mass fish die-off in Vietnam as heat wave roasts Southeast Asia
Hundreds of thousands of fish have died in a reservoir in southern Vietnam's Dong Nai province, with locals and media reports suggesting a brutal heat wave and the lake's management are to blame......»»
Umami-rich scrap fish and invasive species can liven up vegetables, says gastrophysicist
Greening the way we eat needn't mean going vegetarian. A healthy, more realistic solution is to adopt a flexitarian diet where seafoods add umami to "boring" vegetables. University of Copenhagen gastrophysicist Ole G. Mouritsen puts mathematical equa.....»»
Feds greenlight return of grizzly bears to Washington"s North Cascades
The National Parks Service and U.S. Fish & Wildlife Service filed a decision April 25 outlining a plan to capture three to seven grizzlies from other ecosystems in the Rocky Mountains or interior British Columbia and release them in the North Cascade.....»»
Scientists replace fishmeal in aquaculture with microbial protein derived from soybean processing wastewater
Scientists from Nanyang Technological University, Singapore (NTU Singapore) and Temasek Polytechnic have successfully replaced half of the fishmeal protein in the diets of farmed Asian seabass with a "single cell protein" cultivated from microbes in.....»»
Steelhead trout, once thriving in Southern California, are declared endangered
Southern California's rivers and creeks once teemed with large, silvery fish that arrived from the ocean and swam upstream to spawn. But today, these fish are seldom seen......»»
Reintroduced gray wolf found dead in Larimer County, Colorado
One of 10 gray wolves reintroduced to Colorado in December was found dead in Larimer County, the U.S. Fish and Wildlife Service confirmed......»»
Study finds climate change is helping tropical fish invade Australian ocean water
A University of Adelaide study of shallow-water fish communities on rocky reefs in south-eastern Australia has found climate change is helping tropical fish species invade temperate Australian waters. The work is published in the Journal of Animal Ec.....»»
Laser-treated cork absorbs oil for carbon-neutral ocean cleanup
Oil spills are deadly disasters for ocean ecosystems. They can have lasting impacts on fish and marine mammals for decades and wreak havoc on coastal forests, coral reefs, and the surrounding land. Chemical dispersants are often used to break down oi.....»»
Mojave desert tortoise officially joins California"s endangered list
The California Fish and Game Commission has formally recognized the Mojave desert tortoise as endangered......»»
Why zebrafish can regenerate damaged heart tissue, while other fish species cannot
A heart attack will leave a permanent scar on a human heart, yet other animals, including some fish and amphibians, can clear cardiac scar tissue and regrow damaged muscle as adults......»»
Respiratory stress response that stunts temperate fish also affects coral reef fish
Coral reef fish, like the fish in other marine and freshwater ecosystems, are likely to reach smaller maximum sizes and start reproducing earlier with smaller and fewer eggs as climate change continues to warm up the ocean......»»
Disease-resistant strains of carp provide advancements in aquaculture, enhance gefilte fish quality
A new study led by Prof. Lior David from the Faculty of Agriculture at the Hebrew University investigated the infectivity of disease-resistant and susceptible fish by examining their roles as shedders (infecting) and cohabitants (infected) in various.....»»
Reproductive success improves after a single generation in the wild for descendants of some hatchery Chinook salmon
Researchers who created "family trees" for nearly 10,000 fish have found that first-generation, wild-born descendants of hatchery-origin Chinook salmon in an Oregon river show improved fitness......»»
Salmon fishing off California"s coast banned for second year in a row
Salmon fishing off the coast of California will be banned for a second consecutive year, authorities said Wednesday, citing lower fish stocks impacted by drought and wildfires......»»
Developing nutrient-rich fertilizer from toxic ammonia
Researchers have recently found out how to use algae to convert ammonia and nitrates into a nutrient-rich fertilizer or fish feed ingredients......»»
Scientists are grasping at straws while trying to protect infant corals from hungry fish
South Florida researchers trying to prevent predatory fish from devouring laboratory-grown coral are grasping at biodegradable straws in an effort to restore what some call the rainforest of the sea......»»