Brook Floater vs Twilight Darner

Alasmidonta varicosa compared with Gynacantha nervosa

Key Differences

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

Taxonomic Classification

Rank	Brook Floater	Twilight Darner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Odonata (Odonata)
Family	Unionidae	Aeshnidae
Genus	Alasmidonta	Gynacantha
Species	Alasmidonta varicosa	Gynacantha nervosa

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Twilight Darner

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Twilight 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.

Twilight Darner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Colombia.

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.