lymnaea - great pond snail lymnaea stagnalis, air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk, family

snail lymnaea pond lymnaeidae mollusk gastropod freshwater great lake wildlife nature animal stagnalis river water underwater outdoor slug outdoors brown close plant green shell gastropoda big zoology beige crawling detail multi colored horizontal leaf contrasts color molluscs amphibian organic animals wild fauna biology interactions air-breathing aquatic pulmonate family