Brook Floater vs Eastern Dotted Border

Alasmidonta varicosa compared with Mylothris agathina

Key Differences

• Brook Floater is Vulnerable while Eastern Dotted Border is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Eastern Dotted Border
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	Mylothris
Species	Alasmidonta varicosa	Mylothris agathina

Evolutionary Relationship

Brook Floater and Eastern Dotted Border share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Eastern Dotted Border

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Eastern Dotted Border
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.

Eastern Dotted Border

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.