Winter Flounder (IMAGE) The Institute for Ocean Conservation Science Caption Inbreeding in marine fish, such as winter flounder, historically, has not been a serious concern because of their ability to move through larger areas to find mates and their much larger population sizes has made it unlikely they would spawn with relatives. Credit Jerry Prezioso, NOAA 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.