Arnoux's beaked whale vs Dwarf round ray

Berardius arnuxii compared with Urotrygon nana

Key Differences

• Arnoux's beaked whale is Least Concern while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Arnoux's beaked whale	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Myliobatiformes)
Family	Hyperoodontidae	Urotrygonidae
Genus	Berardius	Urotrygon
Species	Berardius arnuxii	Urotrygon nana

Evolutionary Relationship

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

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Arnoux's beaked whale	Dwarf round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Dwarf round ray

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.