Brook Floater vs Ezo-matsu

Alasmidonta varicosa compared with Picea jezoensis

Key Differences

• Brook Floater is Vulnerable while Ezo-matsu is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Ezo-matsu
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Mollusca (軟体動物)	Coniferophyta (Conifers)
Class	Bivalvia (二枚貝)	Pinopsida (マツ綱)
Order	Unionida (イシガイ目)	Pinales (マツ目)
Family	Unionidae	Pinaceae (Pine Family)
Genus	Alasmidonta	Picea
Species	Alasmidonta varicosa	Picea jezoensis

Conservation Status

Brook Floater

VU — Vulnerable

Ezo-matsu

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Ezo-matsu
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.

Ezo-matsu

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

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.