Brook Floater vs

Alasmidonta varicosa compared with Nostoc sphaericum

Key Differences

• Brook Floater is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (동물)	Bacteria (Bacteria)
Phylum	Mollusca (연체동물)	Cyanobacteria (남조류)
Class	Bivalvia (이매패류)	Cyanobacteriia
Order	Unionida (석패목)	Cyanobacteriales
Family	Unionidae	Nostocaceae
Genus	Alasmidonta	Nostoc
Species	Alasmidonta varicosa	Nostoc sphaericum

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.

Nostoc sphaericum은 Nostocaceae과에 속하는 군체성 질소 고정 남세균으로, 육안으로 볼 수 있는 젤라틴 상태의 구형 또는 불규칙 군체를 형성한다. 습한 토양, 암석, 담수 환경에 서식하며, 강우 후 눈에 띄는 덩어리를 형성한다.