Figure 2From: Selective foraging by non-native rainbow trout on invertebrates in Patagonian streams in Argentina Frequency distribution of size classes. Macroinvertebrates in the environment (bars) and in rainbow trout (Oncorhynchus mykiss) stomach contents (line) at Nant y Fall (NyF) and Cabeza de Vaca (CVA) streams (Patagonia Argentina) during the study period (early autumn, late winter, late spring 2005, and late summer 2006).Back to article page