Amami Brown Frog vs Bigeye thresher

Rana kobai compared with Alopias pelagicus

Key Differences

• Amami Brown Frog is Near Threatened while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Amami Brown Frog	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Chondrichthyes (Cartilaginous Fish)
Order	Anura (Frogs & Toads)	Lamniformes (Mackerel Sharks)
Family	Ranidae	Alopiidae
Genus	Rana	Alopias
Species	Rana kobai	Alopias pelagicus

Evolutionary Relationship

Amami Brown Frog and Bigeye thresher share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amami Brown Frog

NT — Near Threatened

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Amami Brown Frog	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amami Brown Frog

Habitat

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

Bigeye thresher

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Colombia and Taiwan. Currently classified as Endangered 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.

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.