Codonobdella sp. on its host amphipod. The sample was found in the northern transit of the Maloe More Strait.
Part of: Kaygorodova IA (2015) Annotated checklist of the leech species diversity in the Maloe More Strait of Lake Baikal, Russia. ZooKeys 545: 37-52. https://doi.org/10.3897/zookeys.545.6053