blackneck vs Brook Floater

Lygephila pastinum compared with Alasmidonta varicosa

Key Differences

• blackneck is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	blackneck	Brook Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Lepidoptera (Butterflies & Moths)	Unionida (Unionida)
Family	Erebidae	Unionidae
Genus	Lygephila	Alasmidonta
Species	Lygephila pastinum	Alasmidonta varicosa

Evolutionary Relationship

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

Conservation Status

blackneck

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	blackneck	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

blackneck

Habitat

Inhabits tropical and subtropical dry broadleaf forests within the Afrotropic biogeographic realm.

Range

Distributed across Belgium, Cabo Verde, Denmark, Norway, and Sweden.

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.

blackneck

The Blackneck (Lygephila pastinum) is a species in the genus Lygephila. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical dry broadleaf forests within the Afrotropic biogeographic realm.

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.