Anderson's Salamander vs Lesser Siren

Ambystoma andersoni compared with Siren intermedia

Key Differences

• Anderson's Salamander is Critically Endangered while Lesser Siren is Least Concern.

Taxonomic Classification

Rank	Anderson's Salamander	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Amphibia (Amphibians)	Amphibia (Amphibians)
Order same	Caudata (Caudata)	Caudata (Caudata)
Family	Ambystomatidae	Sirenidae
Genus	Ambystoma	Siren
Species	Ambystoma andersoni	Siren intermedia

Evolutionary Relationship

Anderson's Salamander and Lesser Siren share a common ancestor at the Order level: Caudata. (Caudata)

Conservation Status

Anderson's Salamander

CR — Critically Endangered

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Anderson's Salamander	Lesser Siren
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Anderson's Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.

Anderson's Salamander

The Anderson's Salamander (Ambystoma andersoni) 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 6 distinct biome types spanning the Nearctic and Neo.

Shared Countries

Both species can be found in 1 countries:

🇲🇽 Mexico