Arnoux's beaked whale vs Bigeye dogfish

Berardius arnuxii compared with Squalus blainville

Key Differences

• Arnoux's beaked whale is Least Concern while Bigeye dogfish is Data Deficient.

Taxonomic Classification

Rank	Arnoux's beaked whale	Bigeye dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Squaliformes (Squaliformes)
Family	Hyperoodontidae	Squalidae
Genus	Berardius	Squalus
Species	Berardius arnuxii	Squalus blainville

Evolutionary Relationship

Arnoux's beaked whale and Bigeye dogfish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Bigeye dogfish

DD — Data Deficient

Physical Characteristics

Attribute	Arnoux's beaked whale	Bigeye dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bigeye dogfish

Habitat

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

Range

Found in Chile.

Arnoux's beaked whale

The Arnoux's beaked whale, Berardius arnuxii, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Bigeye dogfish

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