Blacktail spurdog vs Brown Mastiff Bat

Squalus melanurus compared with Promops nasutus

Key Differences

• Blacktail spurdog is Data Deficient while Brown Mastiff Bat is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Brown Mastiff Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Chiroptera (Bats)
Family	Squalidae	Molossidae
Genus	Squalus	Promops
Species	Squalus melanurus	Promops nasutus

Evolutionary Relationship

Blacktail spurdog and Brown Mastiff Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Brown Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Brown Mastiff Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Brown Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.

Brown Mastiff Bat

The Brown Mastiff Bat (Promops nasutus) is a species in the genus Promops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.