Lesser Noctule vs Swell shark

Nyctalus leisleri compared with Cephaloscyllium ventriosum

Key Differences

• Lesser Noctule is Endangered while Swell shark is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Swell shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Chiroptera (Bats)	Carcharhiniformes (Ground Sharks)
Family	Vespertilionidae	Scyliorhinidae
Genus	Nyctalus	Cephaloscyllium
Species	Nyctalus leisleri	Cephaloscyllium ventriosum

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

Swell shark

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Swell shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Swell shark

Habitat

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

Range

Found in Chile.