Brook Floater vs Pomace Fly

Alasmidonta varicosa compared with Scaptomyza pallida

Key Differences

• Brook Floater is Vulnerable while Pomace Fly is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Pomace Fly
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Mollusca (软体动物门)	Arthropoda (节肢动物门)
Class	Bivalvia (双壳纲)	Insecta (昆蟲綱)
Order	Unionida (蚌目)	Diptera (雙翅目)
Family	Unionidae	Drosophilidae
Genus	Alasmidonta	Scaptomyza
Species	Alasmidonta varicosa	Scaptomyza pallida

Evolutionary Relationship

Brook Floater and Pomace Fly share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Brook Floater

VU — Vulnerable

Pomace Fly

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Pomace 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.

Pomace Fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and North America (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