Brook Floater vs Brownfish

Alasmidonta varicosa compared with Actinopyga echinites

Taxonomic Classification

Rank	Brook Floater	Brownfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Echinodermata (Echinoderms)
Class	Bivalvia (Bivalvia)	Holothuroidea (Holothuroidea)
Order	Unionida (Unionida)	Holothuriida (Holothuriida)
Family	Unionidae	Holothuriidae
Genus	Alasmidonta	Actinopyga
Species	Alasmidonta varicosa	Actinopyga echinites

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Brownfish

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Brownfish
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.

Brownfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Brownfish

The Brownfish (Actinopyga echinites) is a species in the genus Actinopyga. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.