 The netted dog whelk ("Nassarius reticulatus") preys on the nursehound's eggs by piercing the case and extracting the yolk.Like other members of its family, the nursehound is oviparous.Known breeding grounds include the River Fal estuary and Wembury Bay in England, and a number of coastal sites around the Italian Peninsula, in particular the Santa Croce Bank in the Gulf of Naples.