Bigeye thresher vs Orinoco Four-eyed Opossum

Alopias pelagicus compared with Philander deltae

Key Differences

• Bigeye thresher is Endangered while Orinoco Four-eyed Opossum is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Orinoco Four-eyed Opossum
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class	Chondrichthyes (कॉन्ड्रीइक्थीज़)	Mammalia (स्तनधारी)
Order	Lamniformes (Mackerel Sharks)	Didelphimorphia (Didelphimorphia)
Family	Alopiidae	Didelphidae
Genus	Alopias	Philander
Species	Alopias pelagicus	Philander deltae

Evolutionary Relationship

Bigeye thresher and Orinoco Four-eyed Opossum share a common ancestor at the Phylum level: Chordata. (रज्जुकी)

Conservation Status

Bigeye thresher

EN — Endangered

Orinoco Four-eyed Opossum

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Orinoco Four-eyed Opossum
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.

Orinoco Four-eyed Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.