Hoffmann s Pika vs St. James' shell

Ochotona hoffmanni compared with Pecten maximus

Key Differences

• Hoffmann s Pika is Endangered while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Hoffmann s Pika	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Lagomorpha (Rabbits & Hares)	Pectinida (Pectinida)
Family	Ochotonidae	Pectinidae
Genus	Ochotona	Pecten
Species	Ochotona hoffmanni	Pecten maximus

Evolutionary Relationship

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

Conservation Status

Hoffmann s Pika

EN — Endangered

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Hoffmann s Pika	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hoffmann s Pika

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.