Bigeye dogfish vs Lesser Noctule

Squalus blainville compared with Nyctalus leisleri

Key Differences

• Bigeye dogfish is Data Deficient while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Bigeye dogfish	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Chiroptera (Bats)
Family	Squalidae	Vespertilionidae
Genus	Squalus	Nyctalus
Species	Squalus blainville	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Bigeye dogfish

DD — Data Deficient

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Bigeye dogfish	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye dogfish

Habitat

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

Range

Found in Chile.

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.

Bigeye dogfish

The Bigeye dogfish (Squalus blainville) is a species in the genus Squalus. Native to South America, inhabiting ecosystems characteristic of the region.