Brook Floater vs Stunted Cavalier

Alasmidonta varicosa compared with Melanoleuca brevipes

Key Differences

• Brook Floater is Vulnerable while Stunted Cavalier is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Stunted Cavalier
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Mollusca (軟体動物)	Basidiomycota (担子菌門)
Class	Bivalvia (二枚貝)	Agaricomycetes (真正担子菌綱)
Order	Unionida (イシガイ目)	Agaricales (ハラタケ目)
Family	Unionidae	Tricholomataceae
Genus	Alasmidonta	Melanoleuca
Species	Alasmidonta varicosa	Melanoleuca brevipes

Conservation Status

Brook Floater

VU — Vulnerable

Stunted Cavalier

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Stunted Cavalier
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.

Stunted Cavalier

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, 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.