Piscicola geometra (Linnaeus, 1758)

Schenková, Jana, Sychra, Jan, Košel, Vladimír, Kubová, Nela & Horecký, Jakub, 2009, Freshwater leeches (Annelida: Clitellata: Hirudinida) of the Czech Republic (Central Europe): check-list, new records, and remarks on species distributions, Zootaxa 2227, pp. 32-52 : 42

Piscicola geometra (Linnaeus, 1758)

Habitats and status: Piscicola geometra is the most common species of the family Piscicolidae ; some specimens found in Czech rivers and streams are quite variable in color. While this species inhabits stagnant as well as running waters, it prefers slower flow conditions and the presence of various fish hosts.