jaguar vs Spiny naiad

Panthera onca compared with Najas marina

Key Differences

• jaguar is Near Threatened while Spiny naiad is Endangered.

Taxonomic Classification

Rank	jaguar	Spiny naiad
Kingdom	Animalia (สัตว์)	Plantae (พืช)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Magnoliophyta (Flowering Plants)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Liliopsida (Monocots)
Order	Carnivora (สัตว์กินเนื้อ)	Alismatales (อันดับขาเขียด)
Family	Felidae (Cats)	Hydrocharitaceae
Genus	Panthera (Big Cats)	Najas
Species	Panthera onca	Najas marina

Conservation Status

jaguar

NT — Near Threatened

Population: ~64.0K

Trend: Decreasing ↓

Spiny naiad

EN — Endangered

Physical Characteristics

Attribute	jaguar	Spiny naiad
Diet	Carnivore	—
Average Lifespan	15 years	—
Average Length	1.9 m	—
Average Weight	100.0 kg	—

Habitat & Geographic Range

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.

Spiny naiad

Habitat

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

Range

Widely distributed across Asia (Sri Lanka, Taiwan), Europe (5 countries), North America (6 countries), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.