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Latest Xiphophorus Stories

New Research On Fish Suggests The Big Guy Doesn't Always Win A Fight
2013-04-26 11:44:09

University of Exeter Scientists at the University of Exeter and Texas A&M University found that when fish fight over food, it is personality, rather than size, that determines whether they will be victorious. The findings suggest that when resources are in short supply personality traits such as aggression could be more important than strength when it comes to survival. The study, published in the journal Behavioral Ecology and Sociobiology, found that small fish were able to do...

2011-02-10 19:44:39

Texas A&M biologists unlock chemical clues to courtship in swordtail urine When you've got to go, you've got to go "” upstream, that is, if you are a male swordtail fish seeking a mate, according to research from Texas A&M University. A recent study led by Texas A&M biologists Dr. Gil Rosenthal and Dr. Heidi Fisher in collaboration with scientists at Centro de Investigaciones Cientificas de las Huastecas in Hidalgo, Mexico, and Boston University has determined that the fish...

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2008-08-21 16:06:03

Swordtails can inherit melanoma that drives sexual selection Though skin cancer is deadly to male fish, it also has one perk: The black melanoma splotches arise from attractive natural markings that lure female mates. A new study published in the Proceedings of the National Academy of Sciences this week shows that the melanoma gene can be conserved in swordtail fish because of its beneficial role in sexual selection. Ohio University scientists Andr© Fernandez and Molly Morris studied...


Latest Xiphophorus Reference Libraries

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2009-01-17 21:00:25

The Green Swordtail (Xiphophorus hellerii) is a species of freshwater fish native to an area of North and Central America stretching from Veracruz, Mexico, to northwestern Honduras. It has been introduced to a number of countries and has become a nuisance pest. It has caused ecological damage because of its ability to rapidly reproduce in high numbers. Feral populations have established themselves in southern Africa, including Natal, Madagascar and eastern Transvaal in South Africa and Lake...

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Word of the Day
cacodemon
  • An evil spirit; a devil.
  • A nightmare.
  • In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.
'Cacodemon' comes from a Greek term meaning 'evil genius.'
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