Brook Floater vs Budapest slug

Alasmidonta varicosa compared with Tandonia budapestensis

Key Differences

• Brook Floater is Vulnerable while Budapest slug is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Budapest slug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Unionida (Unionida)	Stylommatophora (Stylommatophora)
Family	Unionidae	Milacidae
Genus	Alasmidonta	Tandonia
Species	Alasmidonta varicosa	Tandonia budapestensis

Evolutionary Relationship

Brook Floater and Budapest slug share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

Brook Floater

VU — Vulnerable

Budapest slug

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Budapest 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.

Budapest slug

Habitat

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

Range

Widely distributed across Europe (12 countries), North America (United States), 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.

Budapest slug

The Budapest Slug (Tandonia budapestensis) is a species in the genus Tandonia. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States