Polar bear vs Three-spot Slipper Lobster

Ursus maritimus compared with Scyllarides delfosi

Key Differences

• Polar bear is Vulnerable while Three-spot Slipper Lobster is Data Deficient.

Taxonomic Classification

Rank	Polar bear	Three-spot Slipper Lobster
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Malacostraca (軟甲綱)
Order	Carnivora (ネコ目)	Decapoda (十脚目)
Family	Ursidae (Bears)	Scyllaridae
Genus	Ursus (Bears)	Scyllarides
Species	Ursus maritimus	Scyllarides delfosi

Evolutionary Relationship

Polar bear and Three-spot Slipper Lobster share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Three-spot Slipper Lobster

DD — Data Deficient

Physical Characteristics

Attribute	Polar bear	Three-spot Slipper Lobster
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.

Three-spot Slipper Lobster

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Venezuela.

Polar bear

地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。