Brook Floater vs emperor dragonfly

Alasmidonta varicosa compared with Anax imperator

Key Differences

• Brook Floater is Vulnerable while emperor dragonfly is Least Concern.

Taxonomic Classification

Rank	Brook Floater	emperor dragonfly
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	Anax
Species	Alasmidonta varicosa	Anax imperator

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

emperor dragonfly

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	emperor dragonfly
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.

emperor dragonfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries).

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.

emperor dragonfly

emperor dragonfly (Anax imperator) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.