Brook Floater vs Pygmy planigale

Alasmidonta varicosa compared with Planigale maculata

Key Differences

• Brook Floater is Vulnerable while Pygmy planigale is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Pygmy planigale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Dasyuromorphia (Dasyuromorphia)
Family	Unionidae	Dasyuridae
Genus	Alasmidonta	Planigale
Species	Alasmidonta varicosa	Planigale maculata

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Pygmy planigale

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Pygmy planigale
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.

Pygmy planigale

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.