Brook Floater vs oceanic scud

Alasmidonta varicosa compared with Gammarus oceanicus

Key Differences

• Brook Floater is Vulnerable while oceanic scud is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	oceanic scud
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Malacostraca (Crustaceans)
Order	Unionida (Unionida)	Amphipoda (Amphipoda)
Family	Unionidae	Gammaridae
Genus	Alasmidonta	Gammarus
Species	Alasmidonta varicosa	Gammarus oceanicus

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

oceanic scud

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	oceanic scud
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.

oceanic scud

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across 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.