Alaskan Brook Lamprey vs Onca

Lethenteron alaskense compared with Panthera onca

Key Differences

Alaskan Brook Lamprey is Data Deficient while Onca is Near Threatened.

Taxonomic Classification

Rank	Alaskan Brook Lamprey	Onca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Petromyzonti (Petromyzonti)	Mammalia (mamíferos)
Order	Petromyzontiformes (Lampreia)	Carnivora (carnívoros)
Family	Petromyzontidae	Felidae (Cats)
Genus	Lethenteron	Panthera (Big Cats)
Species	Lethenteron alaskense	Panthera onca

Evolutionary Relationship

Alaskan Brook Lamprey and Onca share a common ancestor at the Phylum level: Chordata. (cordados)

View Phylum: Chordata

Conservation Status

Alaskan Brook Lamprey

DD — Data Deficient

Onca

NT — Near Threatened

Population: ~64.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Alaskan Brook Lamprey	Onca
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	1.9 m
Average Weight	—	100.0 kg

Habitat & Geographic Range

Alaskan Brook Lamprey

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.

Alaskan Brook Lamprey

The Alaskan Brook Lamprey (Lethenteron alaskense) is a species in the genus Lethenteron. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment.

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.