Brook Floater vs Brown Ant

Alasmidonta varicosa compared with Lasius brunneus

Key Differences

• Brook Floater is Vulnerable while Brown Ant is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Brown Ant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Hymenoptera (Ants, Bees & Wasps)
Family	Unionidae	Formicidae
Genus	Alasmidonta	Lasius
Species	Alasmidonta varicosa	Lasius brunneus

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Brown Ant

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Brown Ant
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.

Brown Ant

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, 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.

Brown Ant

The Brown Ant (Lasius brunneus) is a species in the genus Lasius. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.