Mexican Agouti vs St. James' shell

Dasyprocta mexicana compared with Pecten maximus

Key Differences

• Mexican Agouti is Critically Endangered while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Mexican Agouti	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	Dasyproctidae	Pectinidae
Genus	Dasyprocta	Pecten
Species	Dasyprocta mexicana	Pecten maximus

Evolutionary Relationship

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

Conservation Status

Mexican Agouti

CR — Critically Endangered

St. James' shell

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Mexican Agouti

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Cuba. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.