Atlantic chimaera vs Lesser Noctule

Hydrolagus affinis compared with Nyctalus leisleri

Key Differences

• Atlantic chimaera is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Atlantic chimaera	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Holocephali (Holocephali)	Mammalia (Mammals)
Order	Chimaeriformes (Chimaeriformes)	Chiroptera (Bats)
Family	Chimaeridae	Vespertilionidae
Genus	Hydrolagus	Nyctalus
Species	Hydrolagus affinis	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Atlantic chimaera

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Atlantic chimaera	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic chimaera

Habitat

Native to Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile and Portugal.

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.

Atlantic chimaera

The Atlantic chimaera (Hydrolagus affinis) is a species in the genus Hydrolagus. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and South America, inhabiting ecosystems characteristic of the region.