POSIDONIA OCEANICA (IMAGE) University of Barcelona Caption En esas praderas marinas, los plásticos son incorporados a unos aglomerados de fibras naturales en forma de bola (las egagrópilas o bolas de Neptuno de la posidonia). Credit UNIVERSIDAD DE BARCELONA 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.