When a given pond is colonised by crayfish, tadpole abundance is markedly reduced, especially in late-breeding species with long larval periods like P. perezi (Dı´az-Paniagua & Gomez-Mestre, pers. obs.).
When a given pond is colonised by crayfish,tadpole abundance is markedly reduced, especially inlate-breeding species with long larval periods like P.perezi (Dı´az-Paniagua & Gomez-Mestre, pers. obs.).