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 ...

You’re considering new fish for your home aquarium, but all you see in your local pet store are the usual guppies, tetras, and small cichlids. You want a more unusual fish that stands out from 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 ...

Subordinate male cichlid fish who help with the childcare for the dominant breeding pair are occasionally actually the fathers of some of the offspring they help to rear, according to new research ...

Perhaps you know someone who's written his name in snow, you know, with urine. That's essentially what some fish do every day. In a study titled, "To pee or not to pee: urine signals mediate ...

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 ...