Tiny fish called Trinidadian guppies turn their eyes black to warn other fish when they are feeling aggressive, new research shows.
Plants & Animals
Jun 4, 2018
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87
(PhysOrg.com) -- Biologists have known for long that ecology, the interaction between organisms and their environment, plays a significant role in forming new species and in modifying living ones. The traditional view is ...
Evolution
Feb 1, 2010
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A team of researchers working at the University of Padova, in Italy, has found that like humans and many other animals, guppies are susceptible to optical illusions. In their paper published in the journal Biology Letters, ...
Striking traits seen only in males of some species – such as colourful peacock feathers or butterfly wings – are partly explained by gene behaviour, research suggests.
Plants & Animals
Mar 22, 2019
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53
A new Florida State University study is giving researchers a glimpse at how organisms from fish to flowers to tumors evolve in response to rapid environmental change.
Ecology
Sep 2, 2015
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408
A larger brain brings better cognitive performance. And so it seems only logical that a larger brain would offer a higher survival potential. In the course of evolution, large brains should therefore win out over smaller ...
Plants & Animals
May 22, 2015
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51
A supplement simply added to water has been shown to boost reproduction in nematodes (roundworms), molluscs, fish and frogs – and researchers believe it could work for humans too.
Plants & Animals
Apr 17, 2015
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268
(Phys.org) —It's not always easy to tell if a fish is male or female: they look more or less the same. But there are exceptions, such as guppies and, as with humans, guppy genitalia varies in size across the species.
Plants & Animals
Jun 3, 2013
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0
Scientists at Washington University School of Medicine in St. Louis and elsewhere have decoded the genome of the platyfish, a cousin of the guppy and a popular choice for home aquariums. Among scientists, the fish are meticulously ...
Biotechnology
Apr 15, 2013
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0
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
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