Polar bear vs Venezuelan Dwarf Smoothhound

Ursus maritimus compared with Mustelus minicanis

Key Differences

• Polar bear is Vulnerable while Venezuelan Dwarf Smoothhound is Endangered.

Taxonomic Classification

Rank	Polar bear	Venezuelan Dwarf Smoothhound
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Chondrichthyes (ปลากระดูกอ่อน)
Order	Carnivora (สัตว์กินเนื้อ)	Carcharhiniformes (อันดับปลาฉลามครีบดำ)
Family	Ursidae (Bears)	Triakidae
Genus	Ursus (Bears)	Mustelus
Species	Ursus maritimus	Mustelus minicanis

Evolutionary Relationship

Polar bear and Venezuelan Dwarf Smoothhound share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Venezuelan Dwarf Smoothhound

EN — Endangered

Physical Characteristics

Attribute	Polar bear	Venezuelan Dwarf Smoothhound
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

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.

Venezuelan Dwarf Smoothhound

Habitat

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

Range

Found in Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.