Ouistiti a queue noire vs St. James' shell

Mico melanurus compared with Pecten maximus

Key Differences

• Ouistiti a queue noire is Near Threatened while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Ouistiti a queue noire	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Primates (Primates)	Pectinida (Pectinida)
Family	Callitrichidae	Pectinidae
Genus	Mico	Pecten
Species	Mico melanurus	Pecten maximus

Evolutionary Relationship

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

Conservation Status

Ouistiti a queue noire

NT — Near Threatened

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Ouistiti a queue noire	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ouistiti a queue noire

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.