Fatspine spurdog vs Large False Serotine

Squalus crassispinus compared with Hesperoptenus tomesi

Key Differences

• Fatspine spurdog is Least Concern while Large False Serotine is Vulnerable.

Taxonomic Classification

Rank	Fatspine spurdog	Large False 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	Hesperoptenus
Species	Squalus crassispinus	Hesperoptenus tomesi

Evolutionary Relationship

Fatspine spurdog and Large False Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fatspine spurdog

LC — Least Concern

Large False Serotine

VU — Vulnerable

Physical Characteristics

Attribute	Fatspine spurdog	Large False Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fatspine spurdog

Large False Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.