Crenobia alpina (wiki)
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Rhabditophora
Order: Tricladida
Family: Planariidae
Genus: Crenobia
Species: alpina
Date: 2019-04-21
Place: 48.906037, 13.953046 (NPP Prameniste Blanice)
Elevation: 922 m
Observer: sumie-dh
Biotope: helocrene
River: Sněžný potok - Blanice
Bedrock: Igneous and metamorphic rocks, Palaeozoic sedimentary rocks, loess
Collecting method: manual - Pasteur pipette
Individuals found: 50
Duration on stage: 30
Locality reference: The position of Crenobia alpina (DANA 1766) in the spring food web
Description: We choose this locality as reference for first place where find this planarian species. As descibed in work linked below, this planarians was main species there. Huge numbers of these ran over everything in spring, not hiding from sunlights.
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