Brook Floater vs river lamprey, lampern

Alasmidonta varicosa compared with Lampetra fluviatilis

Taxonomic Classification

Rank	Brook Floater	river lamprey, lampern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Petromyzonti (Petromyzonti)
Order	Unionida (Unionida)	Petromyzontiformes (lamprey)
Family	Unionidae	Petromyzontidae
Genus	Alasmidonta	Lampetra
Species	Alasmidonta varicosa	Lampetra fluviatilis

Evolutionary Relationship

Brook Floater and river lamprey, lampern share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

river lamprey, lampern

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	river lamprey, lampern
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.

river lamprey, lampern

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United Kingdom. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.