In certain Lake Tanganyika cichlids breeding in empty snail shells, there are two extreme sizes of males: giants and dwarfs. Researchers have analyzed the genomes of these fish and found out how the ...

This is a preview. Log in through your library . Abstract The Midas cichlid (Cichlasoma citrinellum) is a large, aggressive monogamous fish from the Great Lakes of Nicaragua. It lives in an ecosystem ...

The biological family Cichlidaea is one of the most fascinating examples of animal evolution on Earth. Convict cichlids are a widespread, well-known species within this unique group. Convict cichlids ...

Female fish can breed a new species if they aren't choosy about who is Mr. Right. Fish will mate with a species outside their own if the male's coloring is attractive enough or if the female can't see ...

THERE are quite a number of African mouth-breeding cichlids (Haplochromis and related genera) the males of which bear very conspicuously yellow or orange spots near the base of the anal fin. The ...

Vol. 142, No. 11/12, Cooperation and Conflict over Investment Strategies in Animals (Nov. - Dec., 2005), pp. 1615-1641 (27 pages) Group size has been shown to positively influence survival of group ...

Appearances can be very deceptive. Look closely at brown striped lake snails and you may spot one that is actually a fish. Even experts can be fooled. Shun Satoh of Osaka City University, Japan, found ...

If you're a male African cichlid, it pays to be a brawler. A new study finds that female fish get a reproduction-related charge when their preferred mate wins a fight against another male. When her ...