Eightgill Hagfish vs Onca

Eptatretus octatrema compared with Panthera onca

Key Differences

• Eightgill Hagfish is Critically Endangered while Onca is Near Threatened.

Taxonomic Classification

Rank	Eightgill Hagfish	Onca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Myxini (Myxini)	Mammalia (mamíferos)
Order	Myxiniformes (Myxiniformes)	Carnivora (carnívoros)
Family	Myxinidae	Felidae (Cats)
Genus	Eptatretus	Panthera (Big Cats)
Species	Eptatretus octatrema	Panthera onca

Evolutionary Relationship

Eightgill Hagfish and Onca share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Eightgill Hagfish

CR — Critically Endangered

Onca

NT — Near Threatened

Population: ~64.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Eightgill Hagfish	Onca
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	1.9 m
Average Weight	—	100.0 kg

Habitat & Geographic Range

Eightgill Hagfish

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.