Brook Floater vs marbled crayfish

Alasmidonta varicosa compared with Procambarus virginalis

Key Differences

• Brook Floater is Vulnerable while marbled crayfish is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	marbled crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Malacostraca (Crustaceans)
Order	Unionida (Unionida)	Decapoda (Decapoda)
Family	Unionidae	Cambaridae
Genus	Alasmidonta	Procambarus
Species	Alasmidonta varicosa	Procambarus virginalis

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

marbled crayfish

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	marbled crayfish
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.

marbled crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Widely distributed across Africa (Madagascar), Asia (Taiwan), and Europe (4 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.