Jeroen Speybroeck wrote:A lot is jizz-like stuff and hard to prove in photos, but the tail base of a male is wider in all directions. And the tail is a bit longer, the head more pronounced, .... A lot of subtle things. The loose hanging belly is also (very) rare in males and typically a post-birth thing.
Alexander Pieh wrote:Dear Guillaume,
phoresie (using other animals for transpotation...) between leeches and amphibians seems to be quite common. At last I have observed it between Epobdella and Pelopylax ridibundus ca. 50m away from a lake.
Maybe one fertilised leech came with a newt?
Greetings
Alex
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