Hormones may help tiny African fish climb social ladder
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Plants & Animals
Feb 16, 2015
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Page 3 - News tagged with cichlid fishes
Cichlid fish genome helps tell story of adaptive evolution
(Phys.org) —Roughly 40 million years ago, a handful of species of fish from the Nile River went into three lakes in Africa and experienced an unusual flurry of evolution. In one of these lakes as many as 500 new species ...
Biotechnology
Sep 23, 2014
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Sequencing of five African fishes reveals diverse molecular mechanisms underlying evolution
In an effort to understand the molecular basis of adaptation in vertebrates, researchers sequenced the genomes and transcriptomes of five species of African cichlid fishes. A research team led by scientists at the Broad Institute ...
Biotechnology
Sep 3, 2014
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Competition breeds new fish species, study finds
Competition may play an important role during the evolution of new species, but empirical evidence for this is scarce, despite being implicit in Charles Darwin's work and support from theoretical studies.
Plants & Animals
Feb 28, 2014
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Sandcastle-building fish offer evolution clue
(Phys.org) —In Lake Malawi, East Africa, there are around 200 different species of cichlid fish that once or twice a year build large sand structures (known as bowers) on which the fish mate. Each different species constructs ...
Plants & Animals
Dec 6, 2013
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Researchers claim evidence suggests cichlid fish evolved long after Gondwana rifted apart
(Phys.org) —Researchers from Oxford University in the U.K. have found evidence that suggests that cichlid fish evolved after the ancient Gondwana continent drifted apart, rather than before, as some have suggested. In their ...
Lizards show evolution is predictable
If you could hit the reset button on evolution and start over, would essentially the same species appear? Yes, according to a study of Caribbean lizards by researchers at the University of California, Davis, Harvard University ...
Plants & Animals
Jul 19, 2013
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From flounders to seahorses: Evolutionary success of spiny-rayed fishes detailed
(Phys.org) —Even as the dinosaurs were becoming extinct 66 million years ago, the ancient ancestor of spiny-rayed fishes flourished, eventually giving rise to tens of thousands of species that can now be found in home aquariums ...
Plants & Animals
Jul 17, 2013
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Disappearing nannies force parents to accept their duties
(Phys.org) —Large helpers (nannies) in a cichlid fish allow the dominant male and female to reduce their personal contribution to their offspring and territory, according to new research published today in Functional Ecology.
Plants & Animals
Apr 12, 2013
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Environmental factors determine whether immigrants are accepted by cooperatively breeding animals
Cichlid fish are more likely to accept immigrants into their group when they are under threat from predators and need reinforcements, new research shows. The researcher suggests that there are parallels between cooperatively ...
Plants & Animals
Feb 6, 2013
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