Brook Floater vs Mottled Emigrant

Alasmidonta varicosa compared with Catopsilia pyranthe

Key Differences

• Brook Floater is Vulnerable while Mottled Emigrant is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Mottled Emigrant
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	Catopsilia
Species	Alasmidonta varicosa	Catopsilia pyranthe

Evolutionary Relationship

Brook Floater and Mottled Emigrant share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Mottled Emigrant

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Mottled Emigrant
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.

Mottled Emigrant

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark and Sweden.

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.