Bisam, Bisamratte vs

Ondatra zibethicus compared with Eunotia eurycephala

Taxonomic Classification

Rank	Bisam, Bisamratte
Kingdom	Animalia (Tier)	Chromista (Chromista)
Phylum	Chordata (Chordatiere)	Ochrophyta (Ochrophyta)
Class	Mammalia (Säugetiere)	Bacillariophyceae (Bacillariophyceae)
Order	Rodentia (Nagetiere)	Eunotiales (Eunotiales)
Family	Cricetidae	Eunotiaceae
Genus	Ondatra	Eunotia
Species	Ondatra zibethicus	Eunotia eurycephala

Conservation Status

Bisam, Bisamratte

NE — Not Evaluated

NE — Not Evaluated

Physical Characteristics

Attribute	Bisam, Bisamratte
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bisam, Bisamratte

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (8 countries), Europe (37 countries), North America (United States), and South America (Argentina, Bolivia, Chile).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Bisam, Bisamratte

The Bisamratte (Ondatra zibethicus) is a species in the genus Ondatra. Typically found in diverse terrestrial and aquatic ecosystems.

Eunotia eurycephala is a freshwater diatom belonging to the Eunotia genus, recognisable by its broadly expanded, rounded headpoles and gently curved valve outline. It is found in soft, acidic freshwater habitats including peatlands, sphagnum bogs, and mountain lakes across Europe and North America. This species serves as a bioindicator for water chemistry monitoring.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden