Institution: | (1) Center for Oceanographic Research, East South Pacific-COPAS-Sur Austral, Concepcion, Chile;(2) Patagonia Ecosystems Research Center-CIEP, Research Center for Nutrition in Aquaculture-CIEN, Puerto Montt, Chile;(3) Institute of Aquaculture, Universidad Austral de Chile, PO Box 1327, Puerto Montt, Chile;(4) Patagonia Ecosystems Research Center-CIEP, Center for Oceanographic Research, East South Pacific-COPAS-Sur Austral, Concepcion, Chile;(5) Institute of Marine Biology, Universidad Austral de Chile, PO Box 537, Valdivia, Chile;(6) Institute of Economic Agriculture, Universidad Austral de Chile, PO Box 537, Valdivia, Chile |