Anderson's Salamander vs Brown Widow

Ambystoma andersoni compared with Latrodectus geometricus

Key Differences

• Anderson's Salamander is Critically Endangered while Brown Widow is Not Evaluated.

Taxonomic Classification

Rank	Anderson's Salamander	Brown 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	Latrodectus
Species	Ambystoma andersoni	Latrodectus geometricus

Evolutionary Relationship

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

Conservation Status

Anderson's Salamander

CR — Critically Endangered

Brown Widow

NE — Not Evaluated

Physical Characteristics

Attribute	Anderson's Salamander	Brown 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.

Brown Widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Peru).

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.

Brown Widow

The Brown Widow (Latrodectus geometricus) is a species in the genus Latrodectus. Typically found in terrestrial habitats from forests to deserts. Its geographic range includes widely distributed across africa (south africa), asia (japan), europe (7 countries), north america (united states), and south america (colombia, ecuador, peru).