Blacktail spurdog vs Cottontop Tamarin

Squalus melanurus compared with Saguinus oedipus

Key Differences

• Blacktail spurdog is Data Deficient while Cottontop Tamarin is Critically Endangered.

Taxonomic Classification

Rank	Blacktail spurdog	Cottontop Tamarin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Primates (Primates)
Family	Squalidae	Callitrichidae
Genus	Squalus	Saguinus
Species	Squalus melanurus	Saguinus oedipus

Evolutionary Relationship

Blacktail spurdog and Cottontop Tamarin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Cottontop Tamarin

CR — Critically Endangered

Physical Characteristics

Attribute	Blacktail spurdog	Cottontop Tamarin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

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.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.