Biological aspects of Amazonian fishes. VIII. The food of the jaraqui, Semaprochilodus insignis, alevins

Abstract

Primary food items were algae, Rotatoria, Cladocera and detritus. Quantities of Cladocera and Rotatoria normalized to fish weight declined with the size of the fish. The opposite was found for algae. Algae, Rotatoria and Cladocera totalled 10% of the organic matter ingested while 45% was detritus. -from English summary