Mountain Water Rat vs St. James' shell

Baiyankamys habbema compared with Pecten maximus

Key Differences

• Mountain Water Rat is Data Deficient while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Mountain Water Rat	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	Muridae (Mice & Rats)	Pectinidae
Genus	Baiyankamys	Pecten
Species	Baiyankamys habbema	Pecten maximus

Evolutionary Relationship

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

Conservation Status

Mountain Water Rat

DD — Data Deficient

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Mountain Water Rat	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mountain Water Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

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.