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[ad_1] One of many new predator cichlid fish species that developed in Lake Mweru. Ole Seehausen If her suitor is especially good-looking -- or if she will't see him correctly -- a feminine fish will mate outdoors her species. And that, in accordance with new analysis from a global staff of scientists, can result in her giving beginning to completely new and numerous species of fish.The examine, revealed Wednesday within the journal Nature Communications, examined 2,000 fish from two freshwater lakes in East Africa, together with DNA evaluation of greater than 400 cichlid fish (tilapia is a cichlid fish, for instance). Greater than 40 new species had been present in one of many lakes, Lake Mweru. The hybrid offspring can feed on issues their mother and father cannot, invade new habitats and swim into deeper waters than their ancestors. "When Lake Mweru was formed it combined cichlid lineages from the Congo and the Zambezi. The cichlids from these different drainage systems then mated with each other," lead examine writer Joana Meier stated in a statement. "This could have been because when the lake formed, the water was very cloudy and they couldn't see colours properly so the females were not being as choosy about selecting a mate in their new environment. Mating between cichlids from different drainage systems produced very diverse offspring combining the genetic traits of both parental species."It is unclear whether or not the brand new species will survive, as they could compete with one another and die out, Meier stated. However the hybridization analysis in Lake Mweru reveals that in a brand new atmosphere with a number of ecological alternative, hybridization may very well be a great factor that truly will increase biodiversity.  [ad_2] Source link Rae Hodge