Placement of eggs in their brood pouches by females of the amphipod crustaceagammarus palustrisandgammarus mucronatus

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Abstract
Unhatched eggs removed from the brood pouches of two species of littoral amphipods were placed in dishes either with their mothers, other mothers of the same species, or mothers of the other species. Females either ate the eggs, left them alone, or placed them in their brood pouches. In contrast, males of both species ate every egg presented to them. Gammarus mucronatus females treated all classes of eggs about the same way. But G. palustris replaced more and ate fewer G. palustris than G. mucronatus eggs.