dimorphic

The state of having two discontinuously different types of individuals. Most generally applied, it refers to size, shape, or color, but when narrowly applied it refers only to size and shape. Mostly seen in males and females, although it can also occur within one sex.

Literatur

Barlow, George. 2002. "The Cichlid Fishes (Nature's Grand Experiment in Evolution)". Perseus Publishing. 352 - (ffm03927)