Ratazana-da-fundura vs Polar bear

Hydrolagus affinis compared with Ursus maritimus

Key Differences

• Ratazana-da-fundura is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Ratazana-da-fundura	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Holocephali (Holocephali)	Mammalia (mamíferos)
Order	Chimaeriformes (Chimaeriformes)	Carnivora (carnívoros)
Family	Chimaeridae	Ursidae (Bears)
Genus	Hydrolagus	Ursus (Bears)
Species	Hydrolagus affinis	Ursus maritimus

Evolutionary Relationship

Ratazana-da-fundura and Polar bear share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Ratazana-da-fundura

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Ratazana-da-fundura	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Ratazana-da-fundura

Habitat

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

Range

Distributed across Chile and Portugal.

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.

Ratazana-da-fundura

The Atlantic chimaera (Hydrolagus affinis) is a species in the genus Hydrolagus. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and South America, 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.