Blue-eye vs Brook Floater

Erythromma lindenii compared with Alasmidonta varicosa

Key Differences

• Blue-eye is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Blue-eye	Brook Floater
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Mollusca (軟体動物)
Class	Insecta (昆虫)	Bivalvia (二枚貝)
Order	Odonata (蜻蛉目)	Unionida (イシガイ目)
Family	Coenagrionidae	Unionidae
Genus	Erythromma	Alasmidonta
Species	Erythromma lindenii	Alasmidonta varicosa

Evolutionary Relationship

Blue-eye and Brook Floater share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Blue-eye

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Blue-eye	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue-eye

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Luxembourg, Sweden, and Ukraine.

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.

Blue-eye

The Blue-eye (Erythromma lindenii) is a species in the genus Erythromma. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.