Translucent yellow-horn shell colour of Potamopyrgus antipodarum is often hidden by dark encrustation, except on the most recent whorl of still growing juveniles and sub-adults, such as this, shell height 3.8mm.

Submitted by Ian Smith on Sun, 18/09/2011 13:41
Photographer / copyright holder
I.F. Smith
Browse image
No
Top image
No
Sidebar Image
Yes