Fish Preparation (IMAGE) Smithsonian Tropical Research Institute Caption Francisco Villarreal cuts small fish to facilitate salt penetration at his house in Boca de Parita, Herrera, Panama. Credit Richard Cooke 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.