Brook Floater vs Greater Eastern Peaclam

Alasmidonta varicosa compared with Pisidium dubium

Key Differences

• Brook Floater is Vulnerable while Greater Eastern Peaclam is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Greater Eastern Peaclam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class same	Bivalvia (Bivalvia)	Bivalvia (Bivalvia)
Order	Unionida (Unionida)	Sphaeriida (Sphaeriida)
Family	Unionidae	Sphaeriidae
Genus	Alasmidonta	Pisidium
Species	Alasmidonta varicosa	Pisidium dubium

Evolutionary Relationship

Brook Floater and Greater Eastern Peaclam share a common ancestor at the Class level: Bivalvia. (Bivalvia)

Conservation Status

Brook Floater

VU — Vulnerable

Greater Eastern Peaclam

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Greater Eastern Peaclam
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.

Greater Eastern Peaclam

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States.

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States