Brook Floater vs Duck Flea

Alasmidonta varicosa compared with Ceratophyllus garei

Key Differences

• Brook Floater is Vulnerable while Duck Flea is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Duck Flea
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Siphonaptera (Siphonaptera)
Family	Unionidae	Ceratophyllidae
Genus	Alasmidonta	Ceratophyllus
Species	Alasmidonta varicosa	Ceratophyllus garei

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Duck Flea

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Duck Flea
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.

Duck Flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.