Brook Floater vs Necklace Ground Beetle

Alasmidonta varicosa compared with Carabus monilis

Key Differences

• Brook Floater is Vulnerable while Necklace Ground Beetle is Endangered.

Taxonomic Classification

Rank	Brook Floater	Necklace Ground Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Coleoptera (Beetles)
Family	Unionidae	Carabidae
Genus	Alasmidonta	Carabus
Species	Alasmidonta varicosa	Carabus monilis

Evolutionary Relationship

Brook Floater and Necklace Ground Beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Necklace Ground Beetle

EN — Endangered

Physical Characteristics

Attribute	Brook Floater	Necklace Ground Beetle
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.

Necklace Ground Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, Sweden, and Switzerland. Currently classified as Endangered 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.