Bigeye thresher vs Ungava collared lemming

Alopias pelagicus compared with Dicrostonyx hudsonius

Key Differences

• Bigeye thresher is Endangered while Ungava collared lemming is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Ungava collared lemming
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Chondrichthyes (Knorpelfische)	Mammalia (Säugetiere)
Order	Lamniformes (Makrelenhaiartige)	Rodentia (Nagetiere)
Family	Alopiidae	Cricetidae
Genus	Alopias	Dicrostonyx
Species	Alopias pelagicus	Dicrostonyx hudsonius

Evolutionary Relationship

Bigeye thresher and Ungava collared lemming share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Bigeye thresher

EN — Endangered

Ungava collared lemming

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Ungava collared 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.

Ungava collared lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.