Variety in diet can hamper microbial diversity in the gut
Scientists from The University of Texas at Austin and five other institutions have discovered that the more diverse the diet of a fish, the less diverse are the microbes living in its gut. If the effect is ...
Call to ban trade on iconic Nautilus seashell
An internationally renowned palaeontologist, who has recently joined the University of Adelaide, is calling for a global ban on the trade of the highly sought-after Nautilus seashell – including from Western ...
New technology can prevent salmon lice
The battle against salmon lice is being waged on many fronts, including the technological front. Simple and advanced solutions alike can be effective.
Links between the flow of rivers and diversity of fish species
There is increasing concern about the global decline of biodiversity. In particular, changes in the flow of rivers due to climate change and increasing water consumption affect freshwater biodiversity including ...
Climate change accelerates hybridization between native and invasive species of trout
(Phys.org) —Scientists have discovered that the rapid spread of hybridization between a native species and an invasive species of trout in the wild is strongly linked to changes in climate.
Dam removal improves shad spawning grounds, may boost survival rate
Research from North Carolina State University finds that dam removal improves spawning grounds for American shad and seems likely to improve survival rates for adult fish, juveniles and eggs – but for different ...
Study shows intense deep sea trawling leading to ocean floor desertification
Study finds Oregon's most common fish at least three distinct species
(Phys.org) —A new study has found that the most common fish species in Oregon – the speckled dace – is actually at least three separate and distinct species.
Better science for better fisheries management
Jon Grabowski, a marine science and fisheries expert at Northeastern University's Marine Science Center in Nahant, Massachusetts, has been working with other fisheries scientists as well as economists, social ...
Vaccination of farmed fish good for animals and for humans
More than half of the fish consumed worldwide is cultivated in ponds or tanks. And the percentage of cultivated fish in relation to wild fish is increasing. The scale on which fish are currently farmed makes ...
Amazon survey investigates fish and communities in region targeted for hydropower development
WWF has launched a 12-day survey of Brazil's Juruena River focusing on migratory fish species and how communities near the river use its resources. The Juruena River flows through Juruena National Park, feeds ...
Berlin start-up pioneers fish-farm veggie garden
The ancient Aztecs and Chinese did it millenia ago, and now a Berlin start-up hopes it will feed 21st-century city dwellers using aquaponics, a combination of rearing fish and growing vegetables.
Biologists give paternity tests to fish (Update)
(Phys.org) —Paternity tests of surfperch fishes reveal that a single brood may have as many as eight different fathers. And the more mates a female surfperch has, the more offspring she will produce, according ...
Researcher publishes clingfish discoveries
(Phys.org) —Sometimes we think we know everything about something only to find out we really don't, said a Texas A&M University scientist.