Bigeye thresher vs Chacoan Mara

Alopias pelagicus compared with Dolichotis salinicola

Key Differences

• Bigeye thresher is Endangered while Chacoan Mara is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Chacoan Mara
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	Caviidae
Genus	Alopias	Dolichotis
Species	Alopias pelagicus	Dolichotis salinicola

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Chacoan Mara

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Chacoan Mara
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.

Chacoan Mara

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.

Chacoan Mara

The Chacoan Mara (Dolichotis salinicola) is a species in the genus Dolichotis. It is currently classified as Least Concern on the IUCN Red List.