Big eye chimaera vs Noctule

Hydrolagus macrophthalmus compared with Nyctalus noctula

Key Differences

• Big eye chimaera is Least Concern while Noctule is Vulnerable.

Taxonomic Classification

Rank	Big eye chimaera	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 macrophthalmus	Nyctalus noctula

Evolutionary Relationship

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

Conservation Status

Big eye chimaera

LC — Least Concern

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Big eye chimaera	Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye chimaera

Habitat

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

Range

Found in Chile.

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.

Big eye chimaera

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

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.