Brook Floater vs False stable fly

Alasmidonta varicosa compared with Muscina stabulans

Key Differences

• Brook Floater is Vulnerable while False stable fly is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	False stable fly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Diptera (Diptera)
Family	Unionidae	Muscidae
Genus	Alasmidonta	Muscina
Species	Alasmidonta varicosa	Muscina stabulans

Evolutionary Relationship

Brook Floater and False stable fly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

False stable fly

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	False stable fly
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.

False stable fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (Costa Rica, United States).

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States