Brook Floater vs Dark Mottled Willow

Alasmidonta varicosa compared with Spodoptera cilium

Key Differences

• Brook Floater is Vulnerable while Dark Mottled Willow is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Dark Mottled Willow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Noctuidae
Genus	Alasmidonta	Spodoptera
Species	Alasmidonta varicosa	Spodoptera cilium

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Dark Mottled Willow

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Dark Mottled Willow
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.

Dark Mottled Willow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (6 countries), Asia (Taiwan, Yemen), and Europe (Denmark, Germany, Portugal).

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.