Bentfin devil ray vs Dusky Dolphin

Mobula thurstoni compared with Lagenorhynchus obscurus

Key Differences

• Bentfin devil ray is Endangered while Dusky Dolphin is Least Concern.

Taxonomic Classification

Rank	Bentfin devil ray	Dusky Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Myliobatidae	Delphinidae (Oceanic Dolphins)
Genus	Mobula	Lagenorhynchus
Species	Mobula thurstoni	Lagenorhynchus obscurus

Evolutionary Relationship

Bentfin devil ray and Dusky Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bentfin devil ray

EN — Endangered

Dusky Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Bentfin devil ray	Dusky Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Dusky Dolphin

Habitat

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.