Bigeye thresher vs Tome's spiny rat

Alopias pelagicus compared with Proechimys semispinosus

Key Differences

• Bigeye thresher is Endangered while Tome's spiny rat is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Tome's spiny rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Rodentia (Rodents)
Family	Alopiidae	Echimyidae
Genus	Alopias	Proechimys
Species	Alopias pelagicus	Proechimys semispinosus

Evolutionary Relationship

Bigeye thresher and Tome's spiny rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Tome's spiny rat

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Tome's spiny rat
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.

Tome's spiny rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia