Brook Floater vs meadow brown

Alasmidonta varicosa compared with Maniola jurtina

Key Differences

• Brook Floater is Vulnerable while meadow brown is Least Concern.

Taxonomic Classification

Rank	Brook Floater	meadow brown
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Nymphalidae (Brush-footed Butterflies)
Genus	Alasmidonta	Maniola
Species	Alasmidonta varicosa	Maniola jurtina

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

meadow brown

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	meadow brown
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.

meadow brown

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (40 countries).

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.

meadow brown

meadow brown (Maniola jurtina) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.