Theodoxus fluviatilis has a large phenotypic plasticity : it was found living on stones and on dead wood in freshwater environments ; .
Theodoxus fluviatilis lives on stones and on Fucus vesiculosus .
Theodoxus fluviatilis has a large phenotypic plasticity : it was found living on stones and on dead wood in freshwater environments ; whereas it lives on stones and on Fucus vesiculosus .