Bighead spurdog vs Little Black Serotine

Squalus bucephalus compared with Eptesicus andinus

Key Differences

• Bighead spurdog is Data Deficient while Little Black Serotine is Least Concern.

Taxonomic Classification

Rank	Bighead spurdog	Little Black Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Chiroptera (Bats)
Family	Squalidae	Vespertilionidae
Genus	Squalus	Eptesicus
Species	Squalus bucephalus	Eptesicus andinus

Evolutionary Relationship

Bighead spurdog and Little Black Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bighead spurdog

DD — Data Deficient

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Bighead spurdog	Little Black Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bighead spurdog

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Bighead spurdog

The Bighead spurdog (Squalus bucephalus) is a species in the genus Squalus.