Arrowhead Spiketail vs Brook Floater

Cordulegaster obliqua compared with Alasmidonta varicosa

Key Differences

• Arrowhead Spiketail is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Arrowhead Spiketail	Brook Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Odonata (Odonata)	Unionida (Unionida)
Family	Cordulegastridae	Unionidae
Genus	Cordulegaster	Alasmidonta
Species	Cordulegaster obliqua	Alasmidonta varicosa

Evolutionary Relationship

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

Conservation Status

Arrowhead Spiketail

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Arrowhead Spiketail	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowhead Spiketail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

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.

Arrowhead Spiketail

The Arrowhead Spiketail, Cordulegaster obliqua, is a species. It is currently assessed 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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States