Brook Floater vs Irrawaddy dolphin

Alasmidonta varicosa compared with Orcaella brevirostris

Key Differences

• Brook Floater is Vulnerable while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Brook Floater	Irrawaddy dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Cetacea (Whales & Dolphins)
Family	Unionidae	Delphinidae (Oceanic Dolphins)
Genus	Alasmidonta	Orcaella
Species	Alasmidonta varicosa	Orcaella brevirostris

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Brook Floater	Irrawaddy dolphin
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.

Irrawaddy dolphin

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.