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......»»
Chum Salmon Are Spawning the Arctic. It’s an Ominous Sign
The fish may be a harbinger of dramatic warming in the north—and rapidly transforming ecosystems......»»
Early Neolithic farmers arriving on the Baltic coast bucked trends and incorporated fish into their diets
Pioneering early farmers who arrived on the Baltic coast 6,000 years ago may have taken up fishing after observing indigenous hunter-gatherer communities, a major new study has found......»»
Officially extinct fish is alive and well, according to DNA analyses
The houting, a fish species that lived in North Sea estuaries and is officially extinct, turns out to be alive and well. Researchers from the University of Amsterdam and the Natural History Museum London extracted DNA from multiple houtings conserved.....»»
Novel biomaterial delivers medication directly to fish gut
A novel biomaterial developed at the Federal University of São Paulo (UNIFESP) in Brazil can help solve two problems at once. As a bioparticle, it can act as a drug carrier, delivering medication directly to the gastrointestinal tract of fish in ord.....»»
Microalgae: An environmentally friendly and healthy alternative to fish
The volunteers participating in a tasting study at the University of Hohenheim tested a new food: microalgae. The taste is reminiscent of fish and the recipe is still being fine-tuned. From a nutritional point of view, the single-cell organisms are v.....»»
New fish species found in the Great Barrier Reef
At a time when marine life is disappearing from the world's oceans, researchers are celebrating the discovery of a new species of coral reef fish in the southern waters of the Great Barrier Reef......»»
Study of mud cores from Lake Victoria suggests diversification of cichlid fish led to their success
A team of biologists affiliated with multiple institutions in Switzerland and Tanzania has found that early cichlid diversification in Lake Victoria led to their success in deep parts of the lake. In their study, reported in the journal Nature, the g.....»»
Biologist improves carp growth with lactic acid
A RUDN University biologist and colleagues from Iran found that adding lactic acid to carp feed improves the growth and health of the fish. The authors selected the optimal concentration of the feed additive. It will help improve the quality of fish.....»»
Brazil vows more aid as Amazon waters dry up
Brazil's Vice-President Geraldo Alckmin said Wednesday that more help would be sent to an Amazon state where rivers are drying up in a severe drought, causing mass die-offs of fish and dolphins......»»
Researchers identify underused strategy for recovering endangered species
During a recent review of the U.S. Fish and Wildlife Service's recovery plans for more than 200 endangered and threatened vertebrate species in the United States, Michigan State University researchers made an interesting discovery......»»
Dangerous chemicals found in South Carolina"s fish, crabs and oysters. Here"s what we know
Chemicals that can make people sick have recently been found in fish, crabs and oysters in South Carolina as concerns grow about the threat the toxins pose to food and water across the Palmetto State......»»
Explosion in fish biodiversity due to genetic recycling, study shows
Scientists show that the extraordinary diversity of cichlid fish in Africa's Lake Victoria was made possible by "genetic recycling"—repeated cycles of new species appearing and rapidly adapting to different roles in the ecosystem. An evolutionary c.....»»
Watch how hammerhead sharks get their hammer
For weeks, you'd be hard pressed to tell if the rapidly growing animal was going to become a chicken, a fish, a frog, or even a human......»»
Why are killer whales harassing and killing porpoises without eating them?
For decades, fish-eating killer whales in the Pacific Northwest have been observed harassing and even killing porpoises without consuming them—a perplexing behavior that has long intrigued scientists......»»
How safe is your sushi? Some bacteria can pose a risk
Sushi has become everyday fare in Norway and elsewhere around the globe, and many people opt for sashimi and other raw fish when they want to treat themselves to something tasty......»»
An easy way to make aquaculture more sustainable
Changing the way that carp are fed can substantially reduce the amount of ammonia they excrete compared to when they eat the same amount of food all at once. This finding is one of the outcomes of Wouter Mes's Ph.D. research at Radboud University......»»
What"s the carbon footprint of owning pet fish? An expert explains
While the environmental impact of having dogs and cats as pets has been examined to some extent, the impact of keeping pet fish has remained unexplored—until now......»»
Anticipating obsolescence: The next step to enhancing the sustainability of aquaculture
With growing concerns about the environmental toll of single species fish farms, a research project has been looking at the feasibility of introducing a more sustainable and potentially more profitable method of fish farming, using three complementar.....»»
Move over, highways. Now you can sponsor an ocean sanctuary
In a novel conservation strategy, the small South Pacific island state of Niue is offering individuals and institutions the opportunity to sponsor its marine sanctuary, home to pristine coral reefs, sharks, whales and hundreds of fish species......»»
From homebodies to prolific swimmers, researchers track Chicago River fish to find out where they are going and why
Under the muddy surface of the Chicago River, a bluegill swam miles upon miles, back and forth from one end of the river system to another......»»