arch-fronted swimming crab vs Onca

Liocarcinus navigator compared with Panthera onca

Key Differences

• arch-fronted swimming crab is Least Concern while Onca is Near Threatened.

Taxonomic Classification

Rank	arch-fronted swimming crab	Onca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópode)	Chordata (cordados)
Class	Malacostraca (Crustaceans)	Mammalia (mamíferos)
Order	Decapoda (Decapoda)	Carnivora (carnívoros)
Family	Polybiidae	Felidae (Cats)
Genus	Liocarcinus	Panthera (Big Cats)
Species	Liocarcinus navigator	Panthera onca

Evolutionary Relationship

arch-fronted swimming crab and Onca share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arch-fronted swimming crab

LC — Least Concern

Onca

NT — Near Threatened

Population: ~64.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	arch-fronted swimming crab	Onca
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	1.9 m
Average Weight	—	100.0 kg

Habitat & Geographic Range

arch-fronted swimming crab

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Belgium, Brazil, Denmark, Norway, and Sweden.

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.

arch-fronted swimming crab

The Arch-fronted swimming crab (Liocarcinus navigator) is a species in the genus Liocarcinus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

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.