Deep-sea Pacific knife-nose chimaera vs Onca

Rhinochimaera pacifica compared with Panthera onca

Key Differences

• Deep-sea Pacific knife-nose chimaera is Least Concern while Onca is Near Threatened.

Taxonomic Classification

Rank	Deep-sea Pacific knife-nose chimaera	Onca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Holocephali (Holocephali)	Mammalia (mamíferos)
Order	Chimaeriformes (Chimaeriformes)	Carnivora (carnívoros)
Family	Rhinochimaeridae	Felidae (Cats)
Genus	Rhinochimaera	Panthera (Big Cats)
Species	Rhinochimaera pacifica	Panthera onca

Evolutionary Relationship

Deep-sea Pacific knife-nose chimaera and Onca share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Deep-sea Pacific knife-nose chimaera

LC — Least Concern

Onca

NT — Near Threatened

Population: ~64.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Deep-sea Pacific knife-nose chimaera	Onca
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	1.9 m
Average Weight	—	100.0 kg

Habitat & Geographic Range

Deep-sea Pacific knife-nose chimaera

Habitat

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

Range

Distributed across Chile and Taiwan.

Onca

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.

Onca

O maior felino das Américas, atingindo até 100 kg com corpo robusto e musculoso e pelagem com padrão de rosetas característico. Encontrado do México até a América do Sul, com populações mais expressivas na Amazônia e no Pantanal. Nadadores poderosos e predadores de topo, os jaguares desempenham papel fundamental na regulação das populações de presas. Classificado como Quase Ameaçado, com sua área de ocorrência diminuindo devido ao desmatamento.