vs Brook Floater

Acanthocorbis asymmetrica compared with Alasmidonta varicosa

Key Differences

• is Not Evaluated while Brook Floater is Vulnerable.

Taxonomic Classification

Rank		Brook Floater
Kingdom	Protozoa (protozoa)	Animalia (Animals)
Phylum	Choanozoa (Choanozoa)	Mollusca (Mollusks)
Class	Choanoflagellatea (Choanoflagellatea)	Bivalvia (Bivalvia)
Order	Choanoflagellida (Choanoflagellida)	Unionida (Unionida)
Family	Acanthoecidae	Unionidae
Genus	Acanthocorbis	Alasmidonta
Species	Acanthocorbis asymmetrica	Alasmidonta varicosa

Conservation Status

NE — Not Evaluated

Brook Floater

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across 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.

Acanthocorbis asymmetrica is a marine choanoflagellate, a unicellular organism closely related to the ancestors of animals, living in coastal and open ocean waters. Its cells are enclosed within a lorica (basket-like cage) constructed from siliceous costal strips that form an asymmetric pattern, distinguishing it from related species. It feeds on bacteria, playing a role in marine microbial food webs.

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.