Amazonian Marsh Rat vs Brown Widow

Holochilus sciureus compared with Latrodectus geometricus

Key Differences

• Amazonian Marsh Rat is Least Concern while Brown Widow is Not Evaluated.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Brown Widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Rodentia (Rodents)	Araneae (Araneae)
Family	Cricetidae	Theridiidae
Genus	Holochilus	Latrodectus
Species	Holochilus sciureus	Latrodectus geometricus

Evolutionary Relationship

Amazonian Marsh Rat and Brown Widow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Brown Widow

NE — Not Evaluated

Physical Characteristics

Attribute	Amazonian Marsh Rat	Brown Widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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).

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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).

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia