Brook Floater vs Fat-tailed Jird

Alasmidonta varicosa compared with Pachyuromys duprasi

Key Differences

• Brook Floater is Vulnerable while Fat-tailed Jird is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Fat-tailed Jird
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Rodentia (Rodents)
Family	Unionidae	Muridae (Mice & Rats)
Genus	Alasmidonta	Pachyuromys
Species	Alasmidonta varicosa	Pachyuromys duprasi

Evolutionary Relationship

Brook Floater and Fat-tailed Jird share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Fat-tailed Jird

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Fat-tailed Jird
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.

Fat-tailed Jird

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.