a type of mating behavior in which mates are chosen based on specific traits (e.g., attractiveness, similarity of body size etc.). Also known as assortive mating. Compare random mating.

ASSORTATIVE MATING: "Assortative mating occurs when the female, for example, chooses a male mate on the basis of his colorful tail."
Cite this page: N., Pam M.S., "ASSORTATIVE MATING," in, April 7, 2013, (accessed April 22, 2021).