vs Polar bear

Paraphysomonas butcheri compared with Ursus maritimus

Key Differences

is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank		Polar bear
Kingdom	Chromista (色藻界)	Animalia (动物界)
Phylum	Ochrophyta (淡色藻门)	Chordata (脊索动物门)
Class	Chrysophyceae (丽生菌纲)	Mammalia (哺乳動物)
Order	Ochromonadales (棕鞭藻目)	Carnivora (食肉目)
Family	Paraphysomonadaceae	Ursidae (Bears)
Genus	Paraphysomonas	Ursus (Bears)
Species	Paraphysomonas butcheri	Ursus maritimus

Conservation Status

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, and Sweden.

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.

Paraphysomonas butcheri是一种细胞表面覆有带刺硅质鳞片的双鞭毛金藻。栖息于温带和寒冷地区的淡水湖泊、池塘及海洋浮游生物环境，是吞噬性原生生物，在水体微生物食物网中主动摄食细菌。