Brook Floater vs Pistachio nut

Alasmidonta varicosa compared with Pistacia vera

Key Differences

Brook Floater is Vulnerable while Pistachio nut is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Pistachio nut
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Mollusca (軟体動物)	Magnoliophyta (被子植物門)
Class	Bivalvia (二枚貝)	Magnoliopsida (モクレン綱)
Order	Unionida (イシガイ目)	Sapindales (ムクロジ目)
Family	Unionidae	Anacardiaceae
Genus	Alasmidonta	Pistacia
Species	Alasmidonta varicosa	Pistacia vera

Conservation Status

Brook Floater

VU — Vulnerable

Pistachio nut

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Pistachio nut
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.

Pistachio nut

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and mangrove forests and coastal wetlands, among 9 distinct biome types spanning the Afrotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Guinea, Libya, Rwanda), Asia (Armenia, Turkey), Europe (7 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.