Brook Floater vs Spot-tailed Dasher

Alasmidonta varicosa compared with Micrathyria aequalis

Key Differences

• Brook Floater is Vulnerable while Spot-tailed Dasher is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Spot-tailed Dasher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Odonata (Odonata)
Family	Unionidae	Libellulidae
Genus	Alasmidonta	Micrathyria
Species	Alasmidonta varicosa	Micrathyria aequalis

Evolutionary Relationship

Brook Floater and Spot-tailed Dasher share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Spot-tailed Dasher

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Spot-tailed Dasher
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.

Spot-tailed Dasher

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Colombia and 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