Brook Floater vs Patagonian mara

Alasmidonta varicosa compared with Dolichotis patagonum

Key Differences

• Brook Floater is Vulnerable while Patagonian mara is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Patagonian mara
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Mollusca (mollusques)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (mammifères)
Order	Unionida (Unionoida)	Rodentia (Rodents)
Family	Unionidae	Caviidae
Genus	Alasmidonta	Dolichotis
Species	Alasmidonta varicosa	Dolichotis patagonum

Evolutionary Relationship

Brook Floater and Patagonian mara share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Brook Floater

VU — Vulnerable

Patagonian mara

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Patagonian mara
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.

Patagonian mara

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Belgium. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.