Valvata piscinalis is known for its rapid growth and high fecundity. It reproduces as a hermaphrodite, one individual acting as the male and the other as the female, and has no free larval stage. It may spawn 2 or 3 times in a year, laying up to 150 eggs at a time which are deposited on vegetation. Hatching normally occurs in 15–30 days. Individuals breed around the age of 1 and usually die at 13–21 months. In Europe, breeding occurs from April to September, occurring later at more northerly latitudes. Myzyk (2007)Myzyk S. (2007). "Life cycle of Valvata piscinalis (O. F. Müller, 1774) (Gastropoda: Heterobranchia) in the laboratory". Folia Malacologica 15(4): 145-174. PDF. described life cycle of Valvata piscinalis.
