Brook Floater vs ghost shrimp

Alasmidonta varicosa compared with Caprella linearis

Key Differences

• Brook Floater is Vulnerable while ghost shrimp is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	ghost shrimp
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Malacostraca (Crustaceans)
Order	Unionida (Unionida)	Amphipoda (Amphipoda)
Family	Unionidae	Caprellidae
Genus	Alasmidonta	Caprella
Species	Alasmidonta varicosa	Caprella linearis

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

ghost shrimp

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	ghost shrimp
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.

ghost shrimp

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Belgium, Denmark, Norway, Portugal, 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.