London Zoo seeks female mate for near-extinct fish
The London Zoo is urgently seeking a female mate for the last-known males of a critically endangered fish species.
Plants & Animals
May 10, 2013
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Page 5 - News tagged with cichlid fishes
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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Risk management in fish: How cichlids prevent their young from being eaten
For a variety of reasons, many humans choose to adopt children. More surprisingly, adoption is fairly widespread in the animal kingdom, even though it would seem to counteract the basic premise of Darwin's theory of evolution, ...
Plants & Animals
Mar 19, 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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Infrared vision in a cichlid fish
Biologists from the University of Bonn have discovered that the cichlid fish Pelvicachromis taeniatus can see in the near infrared range; this was thought to be unlikely until now. Seeing in the infrared range is apparently ...
Plants & Animals
Oct 30, 2012
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Why are there so many species of beetles and so few crocodiles?
There are more than 400,000 species of beetles and only two species of the tuatara, a reptile cousin of snakes and lizards that lives in New Zealand. Crocodiles and alligators, while nearly 250 million years old, have diversified ...
Plants & Animals
Aug 28, 2012
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Cichlid fish: How does the swim bladder affect hearing?
In bony fish the swim bladder primarily serves for buoyancy Moreover, in many species it also possesses acoustic functions: it plays a role in sound production and improves hearing in numerous ways. Biologists around Friedrich ...
Plants & Animals
Aug 8, 2012
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Paternity of subordinates raises cooperative effort in cichlids
Cichlid male nannies help out, especially if they've been sneaking.
Plants & Animals
Oct 12, 2011
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Aquarium fishes are more aggressive in reduced environments, a new study finds
An angry glare from the family goldfish might not be the result of a missed meal, but a too-humble abode. Fish in a cramped, barren space turn mean, a study from Case Western Reserve University has found. Ornamental fishes ...
Plants & Animals
Sep 22, 2011
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B chromosomes affect sex determination in cichlid fishes
B chromosomes have a functional effect on sex determination in a species of cichlid fishes from Lake Victoria, according to a study by Japanese researchers to be published in open-access journal PLoS Genetics on August 18th, ...
Biotechnology
Aug 18, 2011
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