Fig. 6 in The Study Of Age-Related Variability Of Pigmentation Patterns Of The Shells Of Dreissena Polymorpha (Bivalvia, Dreissenidae) From Different Parts Of It'S Range

Fig. 6. Scheme of pattern change in zebra mussel population (by the example of the Perućica Reservoir). Data for mussels of ages from 1+ to 3+ are aggregated.