(IMAGE) Columbia Climate School Caption At the Belén Market in Iquitos, a fishmonger takes apart a dorado catfish. A long-distant migrant, the dorado is highly vulnerable to dams and overfishing. Credit Sebastian Heilpern Usage Restrictions Credit must be given. 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.