Amami Brown Frog vs Brook Floater

Rana kobai compared with Alasmidonta varicosa

Key Differences

• Amami Brown Frog is Near Threatened while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Amami 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 kobai	Alasmidonta varicosa

Evolutionary Relationship

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

Conservation Status

Amami Brown Frog

NT — Near Threatened

Brook Floater

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Amami Brown Frog

Habitat

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

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.

Amami Brown Frog

The Amami Brown Frog (Rana kobai) is a species in the genus Rana. It is currently classified as Near Threatened 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.