Brook Floater vs Lesser Cachalot

Alasmidonta varicosa compared with Kogia breviceps

Key Differences

• Brook Floater is Vulnerable while Lesser Cachalot is Data Deficient.

Taxonomic Classification

Rank	Brook Floater	Lesser Cachalot
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Cetacea (Whales & Dolphins)
Family	Unionidae	Kogiidae
Genus	Alasmidonta	Kogia
Species	Alasmidonta varicosa	Kogia breviceps

Evolutionary Relationship

Brook Floater and Lesser Cachalot share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Lesser Cachalot

DD — Data Deficient

Physical Characteristics

Attribute	Brook Floater	Lesser Cachalot
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.

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Portugal, Sweden, and 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.