Brook Floater vs Dwarf False Brook Salamander

Alasmidonta varicosa compared with Ixalotriton parvus

Key Differences

Brook Floater is Vulnerable while Dwarf False Brook Salamander is Critically Endangered.

Taxonomic Classification

Rank	Brook Floater	Dwarf False Brook Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Amphibia (Amphibians)
Order	Unionida (Unionida)	Caudata (Caudata)
Family	Unionidae	Plethodontidae
Genus	Alasmidonta	Ixalotriton
Species	Alasmidonta varicosa	Ixalotriton parvus

Evolutionary Relationship

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

View Kingdom: Animalia

Conservation Status

Brook Floater

VU — Vulnerable

Dwarf False Brook Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Brook Floater	Dwarf False Brook Salamander
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.

Dwarf False Brook Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered 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.