Brook Floater vs Danube river snail

Alasmidonta varicosa compared with Viviparus acerosus

Key Differences

• Brook Floater is Vulnerable while Danube river snail is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Danube river snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Unionida (Unionida)	Architaenioglossa (Architaenioglossa)
Family	Unionidae	Viviparidae
Genus	Alasmidonta	Viviparus
Species	Alasmidonta varicosa	Viviparus acerosus

Evolutionary Relationship

Brook Floater and Danube river snail share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

Brook Floater

VU — Vulnerable

Danube river snail

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Danube river snail
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.

Danube river snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, France, Germany, Netherlands, and United Kingdom.

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.