Brook Floater vs Sea Lettuce

Alasmidonta varicosa compared with Ulva fenestrata

Key Differences

• Brook Floater is Vulnerable while Sea Lettuce is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Sea Lettuce
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Chlorophyta (Chlorophyta)
Class	Bivalvia (Bivalvia)	Ulvophyceae (Ulvophyceae)
Order	Unionida (Unionida)	Ulvales (Ulvales)
Family	Unionidae	Ulvaceae
Genus	Alasmidonta	Ulva
Species	Alasmidonta varicosa	Ulva fenestrata

Conservation Status

Brook Floater

VU — Vulnerable

Sea Lettuce

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Sea Lettuce
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.

Sea Lettuce

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

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.