Dawson's catshark vs Harmless Serotine

Bythaelurus dawsoni compared with Eptesicus innoxius

Key Differences

• Dawson's catshark is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Dawson's catshark	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Chiroptera (Bats)
Family	Scyliorhinidae	Vespertilionidae
Genus	Bythaelurus	Eptesicus
Species	Bythaelurus dawsoni	Eptesicus innoxius

Evolutionary Relationship

Dawson's catshark and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dawson's catshark

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Dawson's catshark	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dawson's catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.