Brook Floater vs Variable Darner

Alasmidonta varicosa compared with Aeshna interrupta

Key Differences

• Brook Floater is Vulnerable while Variable Darner is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Variable Darner
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Mollusca (軟体動物)	Arthropoda (節足動物)
Class	Bivalvia (二枚貝)	Insecta (昆虫)
Order	Unionida (イシガイ目)	Odonata (蜻蛉目)
Family	Unionidae	Aeshnidae
Genus	Alasmidonta	Aeshna
Species	Alasmidonta varicosa	Aeshna interrupta

Evolutionary Relationship

Brook Floater and Variable Darner share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Brook Floater

VU — Vulnerable

Variable Darner

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Variable Darner
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.

Variable Darner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in 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