Consumption of fish in monkeys has been thought of to be a rare occurrence, potentially even happening accidentally. However, through fecal studies of Japanese macaques in the Kamikochi area, evidence of fish-eating amongst this group of monkeys has been suggested. The frequency in which fish DNA has been detected in feces suggests more intention than simply feeding off of dead or dying fish.Consumption of fish in monkeys has been thought of to be a rare occurrence, potentially even happening accidentally. However, through fecal studies of Japanese macaques in the Kamikochi area, evidence of fish-eating amongst this group of monkeys has been suggested. The frequency in which fish DNA has been detected in feces suggests more intention than simply feeding off of dead or dying fish.