Bisamratte vs St. James' shell

Ondatra zibethicus compared with Pecten maximus

Key Differences

• Bisamratte is Not Evaluated while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Bisamratte	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Pectinida (Pectinida)
Family	Cricetidae	Pectinidae
Genus	Ondatra	Pecten
Species	Ondatra zibethicus	Pecten maximus

Evolutionary Relationship

Bisamratte and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bisamratte

NE — Not Evaluated

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Bisamratte	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

St. James' shell

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

Bisamratte

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

St. James' shell

St. James' shell (Pecten maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 10 countries:

🇧🇪 Belgium 🇨🇱 Chile 🇨🇳 China 🇩🇰 Denmark 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇬🇧 United Kingdom