Fish school by copying each other and changing directions randomly, rather than calculating and adapting to an average direction of the group, a group of scientists co-led by UNSW has shown.
General Physics
Mar 2, 2020
0
907
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 mechanisms by which new species arise are still not fully understood. What are the evolutionary processes that drive the evolution of new species? Evolutionary biologists traditionally assumed that geographical barriers ...
Evolution
Aug 14, 2019
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13
A collaborative research project carried out under the auspices of the GeoBio-Center at Ludwig-Maximilians-Universitaet (LMU) in Munich has developed an integrative approach to the classification of fossil cichlids, and identified ...
Archaeology
Jul 16, 2019
0
128
A team of researchers at the University of Burgundy has found that a certain type of monogamous female fish exhibits a pessimistic bias when separated from its mate. In their paper published in Proceedings of the Royal Society ...
Is evolution predictable? What are the mechanisms that allow different fish to respond to the same environmental challenge in slightly different ways? When the same jaw bones and muscles change to produce the same feeding ...
Evolution
Feb 20, 2019
0
96
A team of evolutionary biologists from the University of Konstanz, headed by Prof. Dr. Axel Meyer, has discovered the genetic basis for the repeated evolution of colour patterns. The findings about the stripes of the diverse ...
Evolution
Oct 25, 2018
0
99
Fish experience stress, as do mammals and humans. When under stress, fish release the hormones adrenaline and cortisol. A team of scientists spearheaded by IGB has investigated whether flash photography induces an increase ...
Plants & Animals
Oct 17, 2018
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8
Animals that have either migrated to or been introduced in Central Europe, such as the Asian bush mosquito or the Asian ladybeetle, have adapted well to their new homes due to changing climatic conditions. If these newcomers ...
Evolution
Aug 9, 2018
0
16
There are other animals besides the cuckoo who smuggle their offspring into another animal's nest. The synodontis multipunctatus, which lives in Lake Tanganyika in Africa and is better known as the cuckoo catfish, is just ...
Ecology
May 10, 2018
0
58
