Fig. 7From: Food and ecology or how dietary alterations can affect an aquatic ecosystemSchematic representation of the āeducational hypothesisā about the predation of Scardinius acarnanicus in Lake Trichonis. S. acarnanicus specimens caught in the purse seine nets are returned alive back to the lake and eventually learn that preying A. boyeri close to the fishing lights is not dangerousBack to article page