Arnoux's beaked whale vs Bentfin devil ray

Berardius arnuxii compared with Mobula thurstoni

Key Differences

Arnoux's beaked whale is Least Concern while Bentfin devil ray is Endangered.

Taxonomic Classification

Rank	Arnoux's beaked whale	Bentfin devil 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	Myliobatidae
Genus	Berardius	Mobula
Species	Berardius arnuxii	Mobula thurstoni

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Bentfin devil ray

EN — Endangered

Physical Characteristics

Attribute	Arnoux's beaked whale	Bentfin devil ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bentfin devil ray

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Chile and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Bentfin devil ray

The Bentfin devil ray (Mobula thurstoni) is a species in the genus Mobula. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.