Brook Floater vs Rusty Dot

Alasmidonta varicosa compared with Udea ferrugalis

Key Differences

• Brook Floater is Vulnerable while Rusty Dot is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Rusty Dot
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum	Mollusca (연체동물)	Arthropoda (절지동물)
Class	Bivalvia (이매패류)	Insecta (곤충)
Order	Unionida (석패목)	Lepidoptera (나비목)
Family	Unionidae	Crambidae
Genus	Alasmidonta	Udea
Species	Alasmidonta varicosa	Udea ferrugalis

Evolutionary Relationship

Brook Floater and Rusty Dot share a common ancestor at the Kingdom level: Animalia. (동물)

Conservation Status

Brook Floater

VU — Vulnerable

Rusty Dot

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Rusty Dot
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.

Rusty Dot

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (5 countries), Asia (Taiwan), and Europe (5 countries).

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.