axolotl vs St. James' shell

Ambystoma mexicanum compared with Pecten maximus

Key Differences

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

Taxonomic Classification

Rank	axolotl	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Amphibia (Amphibians)	Bivalvia (Bivalvia)
Order	Caudata (Caudata)	Pectinida (Pectinida)
Family	Ambystomatidae	Pectinidae
Genus	Ambystoma	Pecten
Species	Ambystoma mexicanum	Pecten maximus

Evolutionary Relationship

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

Conservation Status

axolotl

CR — Critically Endangered

St. James' shell

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

axolotl

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, Germany, Mexico, and Peru. 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).

axolotl

The Axolotl (Ambystoma mexicanum) is a species in the genus Ambystoma. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 10 distinct biome types. Populations are also found.

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.