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 (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Chondrichthyes (软骨鱼纲)	Mammalia (哺乳動物)
Order	Carcharhiniformes (真鲨目)	Chiroptera (翼手目)
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. (脊索动物门)

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.