Rana arvalis
Moor Frog / Åkergroda / Moor Frog
Rana arvalis
Illustration: Rana arvalis
Information about this species.
The moor frog is a characteristic species of the vast aapa and palsa mires in Fennoscandia. Particularly fascinating is the intense blue coloration of the males during the short, explosive mating season immediately following the snowmelt in high boreal zones.
Facts & Characteristics
- Scientific Name: Rana arvalis
- Category / Order: Amphibien & Reptilien
- Nature, Taiga & Waters of Västerbotten: Nature, Taiga & Waters of Västerbotten
- Native to Northern Sweden: Native to Northern Sweden
Questions & Answers (FAQ)
What is the moor frog (Rana arvalis)?
Rana arvalis is a medium-sized brown frog, often characterized by a pointed snout and a light dorsal stripe. This species has developed a remarkable tolerance to the acidic pH levels of Sphagnum-dominated waters.
Where does this species live in the taiga?
In Lapland, its habitat is strongly concentrated in oligotrophic bogs, peatlands, and moist depressions in coniferous forests. It prefers the highly acidic, vegetation-rich hollows (flarks) of aapa mires for spawning, where fish predation is minimal.