Brook Floater vs

Alasmidonta varicosa compared with Prorocentrum redfieldii

Key Differences

• Brook Floater is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Mollusca (Mollusks)	Myzozoa (Myzozoa)
Class	Bivalvia (Bivalvia)	Dinophyceae (Dinophyceae)
Order	Unionida (Unionida)	Prorocentrales (Prorocentrales)
Family	Unionidae	Prorocentraceae
Genus	Alasmidonta	Prorocentrum
Species	Alasmidonta varicosa	Prorocentrum redfieldii

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.

Prorocentrum redfieldii is a dinoflagellate in the family Prorocentraceae, characterized by its flattened, oval cell body with two large thecal plates. It is a photosynthetic protist found in marine and estuarine waters, contributing to coastal phytoplankton communities. Named in honor of oceanographer Alfred Redfield, it may form dense blooms under eutrophic conditions.