Study: In darters, male competition drives evolution of flashy fins, bodies

(University of Illinois at Urbana-Champaign) Scientists once thought that female mate choice alone accounted for the eye-catching color patterns seen in some male fish. But for orangethroat darters, male-to-male competition is the real force behind the flash, a new study finds.

from EurekAlert! - Social and Behavioral Science https://ift.tt/2n1cZ6w