Brook Floater vs screw-bean

Alasmidonta varicosa compared with Prosopis pubescens

Key Differences

• Brook Floater is Vulnerable while screw-bean is Least Concern.

Taxonomic Classification

Rank	Brook Floater	screw-bean
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Magnoliopsida (Dicots)
Order	Unionida (Unionida)	Fabales (Legumes & Allies)
Family	Unionidae	Fabaceae
Genus	Alasmidonta	Prosopis
Species	Alasmidonta varicosa	Prosopis pubescens

Conservation Status

Brook Floater

VU — Vulnerable

screw-bean

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	screw-bean
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.

screw-bean

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.