Brook Floater vs Large Mottled Shade

Alasmidonta varicosa compared with Eana penziana

Key Differences

• Brook Floater is Vulnerable while Large Mottled Shade is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Large Mottled Shade
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Tortricidae
Genus	Alasmidonta	Eana
Species	Alasmidonta varicosa	Eana penziana

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Large Mottled Shade

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Large Mottled Shade
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.

Large Mottled Shade

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, 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.