Arctic lamprey vs Polar bear

Lethenteron camtschaticum compared with Ursus maritimus

Key Differences

• Arctic lamprey is Near Threatened while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Arctic lamprey	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Petromyzonti (Petromyzonti)	Mammalia (mamíferos)
Order	Petromyzontiformes (Lampreia)	Carnivora (carnívoros)
Family	Petromyzontidae	Ursidae (Bears)
Genus	Lethenteron	Ursus (Bears)
Species	Lethenteron camtschaticum	Ursus maritimus

Evolutionary Relationship

Arctic lamprey and Polar bear share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Arctic lamprey

NT — Near Threatened

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Arctic lamprey	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Arctic lamprey

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Arctic lamprey

The Arctic lamprey (Lethenteron camtschaticum) is a species in the genus Lethenteron. It is currently classified as Near Threatened on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway