Sperm Conjugate in Motion (video) University of Arizona Share Print E-Mail Loading video... Caption The movie file shows a single conjugate from the species Hygrotus sayi. Credit Dawn Higginson, University of Arizona Usage Restrictions Only for use with reporting on this news release. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.