Freshwater leeches’ taste for snails could help control snail-borne diseases
More research is needed before leeches become snail biocontrol

These leeches are on the hunt for a snail snack. In the lab, Helobdella austinensis proved a sucker for snails. A new study proposes them as a form a biocontrol against snail-borne diseases.
Naim Saglam