Fish, gonad overview

Structure List Kidney Testis Ovary Urinary ducts Sperm duct Oviduct Genital pore Urinary pore

The reproductive tract of the fish are quite simple. The male may share portions of the sperm ducts with the urinary system. The female may have separate openings for the urinary and reproductive system. Also note that the female lacks any site in the tract for development of the young.