Brook Floater vs Spangled Skimmer

Alasmidonta varicosa compared with Libellula cyanea

Key Differences

• Brook Floater is Vulnerable while Spangled Skimmer is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Spangled Skimmer
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	Libellula
Species	Alasmidonta varicosa	Libellula cyanea

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Spangled Skimmer

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Spangled Skimmer
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.

Spangled Skimmer

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