Nest-site preference in male fathead minnows, Pimephales promelas

TitleNest-site preference in male fathead minnows, Pimephales promelas
Publication TypeJournal Article
Year of Publication1993
AuthorsDeWitt TJ
JournalCanadian Journal of Zoology

Nest-site preference in fish is not often studied, and yet it should yield insight into their successful reproduction. I placed three sizes of artificial nest structures at three depths and two sides of a Michigan pond to investigate nest usage patterns by male fathead minnows. Of 93 artificial nest structures available, 18 were used as nests. Northern nest sites were used more than southern sites and structures of 100 and 200 cm2 were used more than those of 50 cm2. There was no differential use of structures between depths of 0.25 and 1 m. Other site preferences and alternative male mating strategies were also suggested.