find attractive. For example, sculpin males defend "caves" underneath rocks which are suitable for the incubation of embryos.

Another way males get to mate with several females is through the use of leks. Leks are places where many fish come together, and the males display to each other. Based on these displays, each female then selects the male they want to be their mate. For example, among the cichlid Cyrtocara eucinostomus in Lake Malawi,