Bentfin devil ray vs Brook Floater

Mobula thurstoni compared with Alasmidonta varicosa

Key Differences

• Bentfin devil ray is Endangered while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Bentfin devil ray	Brook Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Elasmobranchii	Bivalvia (Bivalvia)
Order	Myliobatiformes (Myliobatiformes)	Unionida (Unionida)
Family	Myliobatidae	Unionidae
Genus	Mobula	Alasmidonta
Species	Mobula thurstoni	Alasmidonta varicosa

Evolutionary Relationship

Bentfin devil ray and Brook Floater share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bentfin devil ray

EN — Endangered

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Bentfin devil ray	Brook Floater
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.

Brook Floater

Habitat

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

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.