Bigeye thresher vs Black-tufted Marmoset

Alopias pelagicus compared with Callithrix penicillata

Key Differences

• Bigeye thresher is Endangered while Black-tufted Marmoset is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Black-tufted Marmoset
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	Callitrichidae
Genus	Alopias	Callithrix
Species	Alopias pelagicus	Callithrix penicillata

Evolutionary Relationship

Bigeye thresher and Black-tufted Marmoset share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Black-tufted Marmoset

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Black-tufted Marmoset
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.

Black-tufted Marmoset

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Brazil.

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.

Black-tufted Marmoset

The Black-tufted Marmoset (Callithrix penicillata) is a species in the genus Callithrix. It is currently classified as Least Concern on the IUCN Red List. Found in Brazil.