Within the space of less than a month, two specimens of a vanishingly rare fish have been plucked from the waters of the Rioni River in Georgia.
Plants & Animals
Apr 23, 2020
1
3734
It's easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males and females can be so striking. But the more scientists learn about wildlife, the clearer it ...
Plants & Animals
Sep 28, 2022
0
3
A new species of fish with a penis on its head has been identified in the Mekong Delta in Vietnam, researchers said on Wednesday.
Plants & Animals
Aug 29, 2012
12
0
Female fish in the Bahamas have developed ways of showing males that "No means no."
Evolution
Aug 19, 2015
0
85
A plentiful supply of yellow perch was once available in the U.S. Great Lakes region, but that changed in the 1990s. Populations of this Midwest fish-fry favorite dropped dramatically due to the invasion of the zebra mussel, ...
Plants & Animals
Jun 3, 2014
2
1
A team of researchers at Charles Darwin University, in Australia, has found that male fish that mouth-brood are not always guaranteeing that the eggs they carry were fertilized by them. In their paper published in the journal ...
University of East Anglia scientists have revealed how females select the 'right' sperm to fertilize their eggs when faced with the risk of being fertilized by wrong sperm from a different species.
Evolution
Aug 16, 2013
0
0
Scientists have successfully analyzed the genetic make-up of the offspring of pregnant coelacanth females for the first time. They found that the likelihood that the offspring is fathered by one single individual is very ...
Plants & Animals
Sep 19, 2013
9
0
The star of Pixar's blockbuster "Finding Nemo" may be about to vanish again—this time for good—as its peculiar mating habits put it at risk from climate change, scientists said on Tuesday.
Ecology
Nov 26, 2019
3
8378
In an unusual mating strategy, hard-up males of a tiny, promiscuous fish species engage in homosexual acts in a bid to entice females to copulate with them, a study said Wednesday.
Plants & Animals
Dec 12, 2012
1
0
