Anderson's Salamander vs False widow

Ambystoma andersoni compared with Steatoda bipunctata

Key Differences

• Anderson's Salamander is Critically Endangered while False widow is Least Concern.

Taxonomic Classification

Rank	Anderson's Salamander	False widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Amphibia (Amphibians)	Arachnida (Arachnids)
Order	Caudata (Caudata)	Araneae (Araneae)
Family	Ambystomatidae	Theridiidae
Genus	Ambystoma	Steatoda
Species	Ambystoma andersoni	Steatoda bipunctata

Evolutionary Relationship

Anderson's Salamander and False widow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Anderson's Salamander

CR — Critically Endangered

False widow

LC — Least Concern

Physical Characteristics

Attribute	Anderson's Salamander	False widow
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.

False widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, United States).

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.