Brook Floater vs Danube Clouded Yellow

Alasmidonta varicosa compared with Colias myrmidone

Key Differences

• Brook Floater is Vulnerable while Danube Clouded Yellow is Endangered.

Taxonomic Classification

Rank	Brook Floater	Danube Clouded Yellow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Pieridae
Genus	Alasmidonta	Colias
Species	Alasmidonta varicosa	Colias myrmidone

Evolutionary Relationship

Brook Floater and Danube Clouded Yellow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Danube Clouded Yellow

EN — Endangered

Physical Characteristics

Attribute	Brook Floater	Danube Clouded Yellow
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 Clouded Yellow

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (15 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.