4 a Leeches ( Helobdella stagnalis) attached to foot after

4 a Leeches ( Helobdella stagnalis) attached to foot after

Freshwater mussels house a diverse mussel-associated leech

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Stock photo of Foot swollen by edema due to allergic reaction to

Adult specimen of Helobdella stagnalis L. 1758, in ventral view

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