Black dogfish vs Polar bear

Centroscyllium fabricii compared with Ursus maritimus

Key Differences

• Black dogfish is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Black dogfish	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Mammalia (mamíferos)
Order	Squaliformes (Squaliformes)	Carnivora (carnívoros)
Family	Etmopteridae	Ursidae (Bears)
Genus	Centroscyllium	Ursus (Bears)
Species	Centroscyllium fabricii	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

Black dogfish

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Black dogfish

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway 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.

Black dogfish

The Black dogfish (Centroscyllium fabricii) is a species in the genus Centroscyllium. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region. Distributed across Norway and Portugal.

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