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BiologyOccurs in widely diverse habitat. Favors areas where plant cover exists along the edges of rivers, lakes or swamps. Prefers shallow sheltered waters and does not colonize the open water of large lakes. Adults feed preferentially on filamentous algae, aquatic macrophytes and vegetable matter of terrestrial origin (leaves, plants, etc.) (Ref. 3). Juveniles feed small crustaceans and midge larvae (Ref. 6465). Forage fish for bass (Ref. 7248). Undertake seasonal upstream migration and breeds before and during these migrations (Ref. 13337).