Aquatic oligochaete worm vs Onca

Potamothrix bavaricus compared with Panthera onca

Key Differences

• Aquatic oligochaete worm is Not Evaluated while Onca is Near Threatened.

Taxonomic Classification

Rank	Aquatic oligochaete worm	Onca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Annelida (Anelídeo)	Chordata (cordados)
Class	Clitellata (Clitellata)	Mammalia (mamíferos)
Order	Tubificida (Tubificida)	Carnivora (carnívoros)
Family	Naididae	Felidae (Cats)
Genus	Potamothrix	Panthera (Big Cats)
Species	Potamothrix bavaricus	Panthera onca

Evolutionary Relationship

Aquatic oligochaete worm and Onca share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Aquatic oligochaete worm

NE — Not Evaluated

Onca

NT — Near Threatened

Population: ~64.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Aquatic oligochaete worm	Onca
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	1.9 m
Average Weight	—	100.0 kg

Habitat & Geographic Range

Aquatic oligochaete worm

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (7 countries) and North America (United States).

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.

Aquatic oligochaete worm

The Aquatic oligochaete worm (Potamothrix bavaricus) is a species in the genus Potamothrix. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.