Bigeye thresher vs Tsushima Salamander

Alopias pelagicus compared with Hynobius tsuensis

Key Differences

• Bigeye thresher is Endangered while Tsushima Salamander is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Tsushima Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Amphibia (Amphibians)
Order	Lamniformes (Mackerel Sharks)	Caudata (Caudata)
Family	Alopiidae	Hynobiidae
Genus	Alopias	Hynobius
Species	Alopias pelagicus	Hynobius tsuensis

Evolutionary Relationship

Bigeye thresher and Tsushima Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Tsushima Salamander

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Tsushima Salamander
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Tsushima Salamander

Habitat

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.