Blacktail spurdog vs jaguar

Squalus melanurus compared with Panthera onca

Key Differences

Blacktail spurdog is Data Deficient while jaguar is Near Threatened.

Taxonomic Classification

Rank	Blacktail spurdog	jaguar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Carnivora (Carnivorans)
Family	Squalidae	Felidae (Cats)
Genus	Squalus	Panthera (Big Cats)
Species	Squalus melanurus	Panthera onca

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Blacktail spurdog

DD — Data Deficient

jaguar

NT — Near Threatened

Population: ~64.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Blacktail spurdog	jaguar
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	1.9 m
Average Weight	—	100.0 kg

Habitat & Geographic Range

Blacktail spurdog

jaguar

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 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

jaguar

The largest cat in the Americas, reaching up to 100 kg with a stocky, muscular build and distinctive rosette-patterned coat. Found from Mexico through South America, with strongholds in the Amazon and Pantanal. Powerful swimmers and apex predators, jaguars play a critical role in regulating prey populations. Near Threatened, with range contracting due to deforestation.