Brook Floater vs

Alasmidonta varicosa compared with Clastidium setigerum

Key Differences

• Brook Floater is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (สัตว์)	Bacteria (Bacteria)
Phylum	Mollusca (มอลลัสกา)	Cyanobacteria (สาหร่ายสีเขียวแกมน้ำเงิน)
Class	Bivalvia (ชั้นไบวาลเวีย)	Cyanobacteriia
Order	Unionida (Unionida)	Cyanobacteriales
Family	Unionidae	Chamaesiphonaceae
Genus	Alasmidonta	Clastidium
Species	Alasmidonta varicosa	Clastidium setigerum

Conservation Status

Brook Floater

VU — Vulnerable

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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.

Clastidium setigerum is a filamentous cyanobacterium in the family Clastidiaceae, characterized by producing tapering filaments anchored to substrates by a basal holdfast cell. It grows on coarser algae, invertebrates, and rocky substrates in freshwater or marine environments. Its single, hair-like trichome ending in a long colorless hair is a distinctive morphological feature of this genus.