Bigeye thresher vs Norway lemming

Alopias pelagicus compared with Lemmus lemmus

Key Differences

• Bigeye thresher is Endangered while Norway lemming is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Norway lemming
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	Cricetidae
Genus	Alopias	Lemmus
Species	Alopias pelagicus	Lemmus lemmus

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Norway lemming

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Norway lemming
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.

Norway lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Sweden.

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.