Brook Floater vs Sowerby's keeled slug

Alasmidonta varicosa compared with Tandonia sowerbyi

Key Differences

• Brook Floater is Vulnerable while Sowerby's keeled slug is Data Deficient.

Taxonomic Classification

Rank	Brook Floater	Sowerby's keeled slug
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Mollusca (моллюски)	Mollusca (моллюски)
Class	Bivalvia (двустворчатые)	Gastropoda (брюхоногие)
Order	Unionida (Униониды)	Stylommatophora (стебельчатоглазые)
Family	Unionidae	Milacidae
Genus	Alasmidonta	Tandonia
Species	Alasmidonta varicosa	Tandonia sowerbyi

Evolutionary Relationship

Brook Floater and Sowerby's keeled slug share a common ancestor at the Phylum level: Mollusca. (моллюски)

Conservation Status

Brook Floater

VU — Vulnerable

Sowerby's keeled slug

DD — Data Deficient

Physical Characteristics

Attribute	Brook Floater	Sowerby's keeled slug
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.

Sowerby's keeled slug

Habitat

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

Range

Found across Europe (10 countries) and Oceania and the Pacific (New Zealand).

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.