Mosquitofishes (Gambusia holbrooki) (IMAGE) Bielefeld University Caption A male mosquitofish (Gambusia holbrooki) attempting to mate with a female. Photo: Andrew Kahn Credit Photo: Andrew Kahn Usage Restrictions This image may only be used with appropriate caption and credit. License Licensed content 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.