Brook Floater vs Japanese Water Shrew

Alasmidonta varicosa compared with Chimarrogale platycephalus

Key Differences

• Brook Floater is Vulnerable while Japanese Water Shrew is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Japanese Water Shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Soricomorpha (Soricomorpha)
Family	Unionidae	Soricidae
Genus	Alasmidonta	Chimarrogale
Species	Alasmidonta varicosa	Chimarrogale platycephalus

Evolutionary Relationship

Brook Floater and Japanese Water Shrew share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Japanese Water Shrew

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Japanese Water Shrew
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.

Japanese Water Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.