Fish will mate with a species outside their own if the male's colouring is attractive enough or if the female can't see him properly, according to new research.
Plants & Animals
Dec 3, 2019
7
1446
The Amazon Basin contains the largest number of scientifically described freshwater fish species in the world: 2,257 or 15% of the total number of known freshwater species. According to a new study, however, this vast biodiversity ...
Evolution
Dec 2, 2019
0
459
Freshwater fish are a highly diverse group representing nearly half of all fish species. Due to accelerating human activities, they are also the most threatened vertebrate group, and are disappearing faster than they can ...
Plants & Animals
Oct 1, 2019
0
21
A synthesis of new data and assessment methods is showing how freshwater fish are an invisible superhero in the global challenge to feed poor rural populations in many areas of the world. But there's a problem: Invisibility ...
Ecology
Sep 26, 2019
0
6
Tens of thousands of dead fish have been found on the banks of a lake in a protected nature reserve in northern Greece after high temperatures and drought conditions caused a severe drop in water levels.
Environment
Sep 19, 2019
0
95
Research by ecologists at the University of Toronto and Ontario's Ministry of Natural Resources and Forestry shows strong evidence in a freshwater lake of "fishing down the food web"—the deliberate shift away from top predatory ...
Ecology
Sep 18, 2019
0
26
Acanthocephala are parasitic worms that reproduce in the intestines of various animals, including fish. However, only certain species of fish are suitable as hosts. A study by the University of Bonn now shows how the parasites ...
Evolution
Aug 27, 2019
0
4
What can fish teach scientists about limb regeneration? Quite a bit, as it turns out.
Evolution
Jul 29, 2019
1
206
Mankind's destruction of nature is driving species to the brink of extinction at an "unprecedented" rate, the leading wildlife conservation body warned Thursday as it added more than 7,000 animals, fish and plants to its ...
Ecology
Jul 18, 2019
0
106
How did some marine fish manage to make their way from the salty sea to the newly available freshwater niches after the last ice age and eventually differentiate from their marine brethren?
Evolution
May 30, 2019
0
216
