Requin chat à rubans vs ours blanc

Eridacnis sinuans compared with Ursus maritimus

Key Differences

• Requin chat à rubans is Least Concern while ours blanc is Vulnerable.

Taxonomic Classification

Rank	Requin chat à rubans	ours blanc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (mammifères)
Order	Carcharhiniformes (Ground Sharks)	Carnivora (carnivores)
Family	Proscylliidae	Ursidae (Bears)
Genus	Eridacnis	Ursus (Bears)
Species	Eridacnis sinuans	Ursus maritimus

Evolutionary Relationship

Requin chat à rubans and ours blanc share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Requin chat à rubans

LC — Least Concern

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Requin chat à rubans	ours blanc
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Requin chat à rubans

Habitat

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

ours blanc

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.

Requin chat à rubans

The African ribbontail cat shark (Eridacnis sinuans) is a species in the genus Eridacnis. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

ours blanc

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.