The emergence of jaws in primitive fish allowed vertebrates to become top predators. What is less appreciated is another evolutionary innovation that may have been just as important for the success of early vertebrates: the ...
Evolution
Sep 29, 2020
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172
Invasive green shore crabs can "eat" by absorbing nutrients across its gills—the first demonstration of this ability in crustaceans—scientists from the University of Alberta have found.
Plants & Animals
Dec 6, 2017
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108
A new study has revealed that gills originated much deeper in evolutionary history than previously believed. The findings support the idea that gills evolved before the last common ancestor of all vertebrates, helping facilitate ...
Archaeology
Feb 9, 2017
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234
Microbiologists and fish researchers from Radboud University have discovered an entirely new type of symbiosis: bacteria in the gills of fish that convert harmful ammonia into harmless nitrogen gas. Environmental Microbiology ...
Cell & Microbiology
Apr 6, 2016
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17
Oriol Sunyer, a professor at the University of Pennsylvania School of Veterinary Medicine, has described fish as "an open gut swimming." Their mucosal surfaces—their skin, digestive tract and gills—are in constant contact ...
Plants & Animals
Feb 18, 2016
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7
Fish are commonly used in experiments to identify environmental hazards and pollutants in water. As gills are in constant contact with the water, they are often the focal point for studies seeking to understand the effects ...
Ecology
Feb 17, 2016
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18
Researchers from the ARC Centre of Excellence for Coral Reef Studies at James Cook University have discovered that suspended sediment damages fish gills and can increase the rate of disease in fish.
Ecology
Jun 16, 2015
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144
A novel technology developed at Worcester Polytechnic Institute (WPI) to block human infections by taking a lesson from fish has landed a $50,000 grant from the National Science Foundation's Innovation Corps (I-Corps) program.
Materials Science
Jun 4, 2014
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0
Gill diseases in salmon farmed at sea lead to huge losses in some years and occur particularly in the autumn in salmon that has been released into the sea in the spring. Agnar Kvellestad's PhD thesis shows how several different ...
Ecology
Dec 16, 2013
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0
(Phys.org) —Tilapia fish readily adapt to fresh or salty water, making them both good candidates for aquaculture and potential invasive pests. New work at the University of California, Davis, shows how tilapia can change ...
Ecology
Oct 8, 2013
0
1
