Human Impacts Change Fish Genital Shape (IMAGE) North Carolina State University Caption Human-caused habitat changes lead to rapid changes in the shape of fish genitalia. Figure shows the tips of mosquitofish gonopodia in fragmented and unfragmented Bahamian tidal pools. Changes occurred in the past 35 to 50 years. Credit Justa Heinen-Kay Usage Restrictions None 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.