Harmless Serotine vs Kermadec spiny dogfish

Eptesicus innoxius compared with Squalus raoulensis

Key Differences

• Harmless Serotine is Near Threatened while Kermadec spiny dogfish is Least Concern.

Taxonomic Classification

Rank	Harmless Serotine	Kermadec spiny dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Chiroptera (Bats)	Squaliformes (Squaliformes)
Family	Vespertilionidae	Squalidae
Genus	Eptesicus	Squalus
Species	Eptesicus innoxius	Squalus raoulensis

Evolutionary Relationship

Harmless Serotine and Kermadec spiny dogfish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Harmless Serotine

NT — Near Threatened

Kermadec spiny dogfish

LC — Least Concern

Physical Characteristics

Attribute	Harmless Serotine	Kermadec spiny dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Kermadec spiny dogfish