Amur Brown Frog vs Brook Floater

Rana amurensis compared with Alasmidonta varicosa

Key Differences

• Amur Brown Frog is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Amur Brown Frog	Brook Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Amphibia (Amphibians)	Bivalvia (Bivalvia)
Order	Anura (Frogs & Toads)	Unionida (Unionida)
Family	Ranidae	Unionidae
Genus	Rana	Alasmidonta
Species	Rana amurensis	Alasmidonta varicosa

Evolutionary Relationship

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

Conservation Status

Amur Brown Frog

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Amur Brown Frog	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Brown Frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Russia.

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.

Amur Brown Frog

The Amur Brown Frog (Rana amurensis) is a species in the genus Rana. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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.