Black roughscale catshark vs Bely Medved

Apristurus melanoasper compared with Ursus maritimus

Key Differences

  • Black roughscale catshark is Least Concern while Bely Medved is Vulnerable.

Taxonomic Classification

Rank Black roughscale catshark Bely Medved
Kingdom same Animalia (животные) Animalia (животные)
Phylum same Chordata (хордовые) Chordata (хордовые)
Class Chondrichthyes (хрящевые рыбы) Mammalia (млекопитающие)
Order Carcharhiniformes (кархаринообразные) Carnivora (хищные)
Family Scyliorhinidae Ursidae (Bears)
Genus Apristurus Ursus (Bears)
Species Apristurus melanoasper Ursus maritimus

Evolutionary Relationship

Black roughscale catshark and Bely Medved share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Black roughscale catshark

LC — Least Concern

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute Black roughscale catshark Bely Medved
Diet Carnivore
Average Lifespan 25 years
Average Length 2.4 m
Average Weight 450.0 kg

Habitat & Geographic Range

Black roughscale catshark

Habitat

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

Bely Medved

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 roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) 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.

Bely Medved

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.

Nature FYI Family

Explore more of the natural world across our sister sites.

Part of the Nature FYI family — FYIPedia