Brook Floater vs Purple Needletail

Alasmidonta varicosa compared with Hirundapus celebensis

Key Differences

• Brook Floater is Vulnerable while Purple Needletail is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Purple Needletail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Unionida (Unionida)	Apodiformes (Apodiformes)
Family	Unionidae	Apodidae
Genus	Alasmidonta	Hirundapus
Species	Alasmidonta varicosa	Hirundapus celebensis

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Purple Needletail

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Purple Needletail
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.

Purple Needletail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Norway and Taiwan.

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.