Bigeye thresher vs Sibree’s Dwarf Lemur

Alopias pelagicus compared with Cheirogaleus sibreei

Key Differences

• Bigeye thresher is Endangered while Sibree’s Dwarf Lemur is Critically Endangered.

Taxonomic Classification

Rank	Bigeye thresher	Sibree’s Dwarf Lemur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Primates (Primates)
Family	Alopiidae	Cheirogaleidae
Genus	Alopias	Cheirogaleus
Species	Alopias pelagicus	Cheirogaleus sibreei

Evolutionary Relationship

Bigeye thresher and Sibree’s Dwarf Lemur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Sibree’s Dwarf Lemur

CR — Critically Endangered

Physical Characteristics

Attribute	Bigeye thresher	Sibree’s Dwarf Lemur
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.

Sibree’s Dwarf Lemur

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.