Brook Floater vs pygmy arrowhead

Alasmidonta varicosa compared with Sagittaria pygmaea

Key Differences

• Brook Floater is Vulnerable while pygmy arrowhead is Least Concern.

Taxonomic Classification

Rank	Brook Floater	pygmy arrowhead
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Liliopsida (Monocots)
Order	Unionida (Unionida)	Alismatales (Alismatales)
Family	Unionidae	Alismataceae
Genus	Alasmidonta	Sagittaria
Species	Alasmidonta varicosa	Sagittaria pygmaea

Conservation Status

Brook Floater

VU — Vulnerable

pygmy arrowhead

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	pygmy arrowhead
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.

pygmy arrowhead

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found in Taiwan.

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.