Big eye chimaera vs Cottontop Tamarin

Hydrolagus macrophthalmus compared with Saguinus oedipus

Key Differences

• Big eye chimaera is Least Concern while Cottontop Tamarin is Critically Endangered.

Taxonomic Classification

Rank	Big eye chimaera	Cottontop Tamarin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Holocephali (Holocephali)	Mammalia (Mammals)
Order	Chimaeriformes (Chimaeriformes)	Primates (Primates)
Family	Chimaeridae	Callitrichidae
Genus	Hydrolagus	Saguinus
Species	Hydrolagus macrophthalmus	Saguinus oedipus

Evolutionary Relationship

Big eye chimaera and Cottontop Tamarin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye chimaera

LC — Least Concern

Cottontop Tamarin

CR — Critically Endangered

Physical Characteristics

Attribute	Big eye chimaera	Cottontop Tamarin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye chimaera

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

Cottontop Tamarin

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Colombia. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Big eye chimaera

The Big eye chimaera (Hydrolagus macrophthalmus) is a species in the genus Hydrolagus. It is currently classified as Least Concern on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.