Broadmouth cat shark vs Polar bear

Apristurus macrostomus compared with Ursus maritimus

Key Differences

• Broadmouth cat shark is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Broadmouth cat shark	Polar bear
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class	Chondrichthyes (Kıkırdaklı balıklar)	Mammalia (memeliler)
Order	Carcharhiniformes (Ground Sharks)	Carnivora (etçiller)
Family	Scyliorhinidae	Ursidae (Bears)
Genus	Apristurus	Ursus (Bears)
Species	Apristurus macrostomus	Ursus maritimus

Evolutionary Relationship

Broadmouth cat shark and Polar bear share a common ancestor at the Phylum level: Chordata. (Kordalılar)

Conservation Status

Broadmouth cat shark

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Broadmouth cat shark	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Broadmouth cat shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Taiwan.

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.

Broadmouth cat shark

The Broadmouth Cat Shark (Apristurus macrostomus) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.