Brook Floater vs Perth Groundling

Alasmidonta varicosa compared with Bryotropha galbanella

Key Differences

• Brook Floater is Vulnerable while Perth Groundling is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Perth Groundling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Gelechiidae
Genus	Alasmidonta	Bryotropha
Species	Alasmidonta varicosa	Bryotropha galbanella

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Perth Groundling

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Perth Groundling
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.

Perth Groundling

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.