Brown smooth hound vs Noctule

Mustelus henlei compared with Nyctalus noctula

Key Differences

• Brown smooth hound is Least Concern while Noctule is Vulnerable.

Taxonomic Classification

Rank	Brown smooth hound	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	Triakidae	Vespertilionidae
Genus	Mustelus	Nyctalus
Species	Mustelus henlei	Nyctalus noctula

Evolutionary Relationship

Brown smooth hound and Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown smooth hound

LC — Least Concern

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Brown smooth hound	Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown smooth hound

Habitat

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

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown smooth hound

The Brown Smooth Hound (Mustelus henlei) is a species in the genus Mustelus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Noctule

Noctule (Nyctalus noctula) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.