Black Mastiff Bat vs Brown Widow

Molossus rufus compared with Latrodectus geometricus

Key Differences

• Black Mastiff Bat is Least Concern while Brown Widow is Not Evaluated.

Taxonomic Classification

Rank	Black Mastiff Bat	Brown Widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Chiroptera (Bats)	Araneae (Araneae)
Family	Molossidae	Theridiidae
Genus	Molossus	Latrodectus
Species	Molossus rufus	Latrodectus geometricus

Evolutionary Relationship

Black Mastiff Bat and Brown Widow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Mastiff Bat

LC — Least Concern

Brown Widow

NE — Not Evaluated

Physical Characteristics

Attribute	Black Mastiff Bat	Brown Widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, 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).

Black Mastiff Bat

The Black Mastiff Bat (Molossus rufus) is a species in the genus Molossus. 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 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador