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 ...

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 ...

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 ...

Subordinate individuals living within a group of vertebrates sometimes assist a more dominant pair by helping to raise the dominant pair's offspring -- this has been shown to occur among subordinate ...

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 ...

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 ...

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 ...

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 ...