Dusky catshark vs Lesser Noctule

Bythaelurus incanus compared with Nyctalus leisleri

Key Differences

• Dusky catshark is Data Deficient while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Dusky catshark	Lesser Noctule
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	Nyctalus
Species	Bythaelurus incanus	Nyctalus leisleri

Evolutionary Relationship

Dusky catshark and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky catshark

DD — Data Deficient

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Dusky catshark	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky catshark

Habitat

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

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.