Bigeye thresher vs Blind Eel

Alopias pelagicus compared with Eptatretus cirrhatus

Key Differences

• Bigeye thresher is Endangered while Blind Eel is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Blind Eel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Myxini (Myxini)
Order	Lamniformes (Mackerel Sharks)	Myxiniformes (Myxiniformes)
Family	Alopiidae	Myxinidae
Genus	Alopias	Eptatretus
Species	Alopias pelagicus	Eptatretus cirrhatus

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Blind Eel

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Blind Eel
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.

Blind Eel

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.

Blind Eel

The Blind Eel (Eptatretus cirrhatus) is a species in the genus Eptatretus. It is currently classified as Least Concern on the IUCN Red List.