Coloration and pattern of Natrix natrix moreotica documented by photos from iNaturalist. A Striped individual with pale yellow crescents and side bars; Thrace, Greece; photo: Wolfgang Wüster. B Striped individual with faded crescents and large body spots, the elongated black occipital element resembles N. helvetica; Lesvos, Greece; photo: Paul Cools. C Variation in color pattern in three juveniles; Thessaly, Greece; photo: Neil Balchan. D Weakly striped individual with side bars and completely disappeared crescents; photo: Claudine Delmas. E Very weakly striped individual with side bars and completely disappeared crescents; Samos, Greece; photo: rgm95. F Individual of the ‘picturata morphotype;’ Peloponnese, Greece; photo: Manuel Ruedi. G Individual of the ‘schweizeri morphotype’ feeding on a fire salamander (Salamandra salamandra); Metsovo, Greece; photo: Joost de Moor.