Gambusia holbrooki (IMAGE) University of Barcelona Caption La alta fecundidad, la precocidad sexual y la gran tolerancia a la contaminación ambiental son factores que dificultan el control de esta especie invasora. Credit Oriol Cano (Universidad de Barcelona-IRBio) Usage Restrictions The image may only be used with appropriate caption or 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.