Blue-nosed ray vs Brook Floater

Myliobatis freminvillei compared with Alasmidonta varicosa

Taxonomic Classification

Rank	Blue-nosed 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	Myliobatis	Alasmidonta
Species	Myliobatis freminvillei	Alasmidonta varicosa

Evolutionary Relationship

Blue-nosed ray and Brook Floater share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue-nosed ray

VU — Vulnerable

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Blue-nosed ray	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue-nosed ray

Habitat

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

Range

Found in Venezuela. Currently classified as Vulnerable 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.

Blue-nosed ray

The Blue Nosed Ray (Myliobatis freminvillei) is a species in the genus Myliobatis. It is currently classified as Vulnerable on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

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.