Polycelis nigra (wiki)
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Acentrosomata
Order: Tricladida
Family: Planariidae
Genus: Polycelis
Species: nigra
Date: 2019-05-11
Place: 49.338869, 16.719244 (CHKO Moravsky kras - Rudice)
Observer: sumie-dh
Biotope: benthos, under stones
River: Jedovnický potok - Svitava
Bedrock: Igneous and metamorphic rocks, Palaeozoic sedimentary rocks, loess
Collecting method: manual - brush
Individuals found: 9
Duration on stage: 30
Description: Nine animals of very dark coloring was found in small isolated ponds.
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