Bigeye thresher vs Spotted Salamander

Alopias pelagicus compared with Ambystoma maculatum

Key Differences

• Bigeye thresher is Endangered while Spotted Salamander is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Spotted 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	Ambystomatidae
Genus	Alopias	Ambystoma
Species	Alopias pelagicus	Ambystoma maculatum

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Spotted Salamander

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Spotted 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.

Spotted Salamander

Habitat

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

Range

Found in United States.

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.