Brook Floater vs Magellan common ray

Alasmidonta varicosa compared with Bathyraja magellanica

Key Differences

• Brook Floater is Vulnerable while Magellan common ray is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Magellan common ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionida)	Rajiformes (Rajiformes)
Family	Unionidae	Arhynchobatidae
Genus	Alasmidonta	Bathyraja
Species	Alasmidonta varicosa	Bathyraja magellanica

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Magellan common ray

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Magellan common ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Magellan common ray

Habitat

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

Range

Found in Chile.

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.