vs Eisbär

Paraphysomonas imperforata compared with Ursus maritimus

Key Differences

is Not Evaluated while Eisbär is Vulnerable.

Taxonomic Classification

Rank		Eisbär
Kingdom	Chromista (Chromista)	Animalia (Tier)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordatiere)
Class	Chrysophyceae (Goldbraune Algen)	Mammalia (Säugetiere)
Order	Ochromonadales (Goldmonaden)	Carnivora (Raubtiere)
Family	Paraphysomonadaceae	Ursidae (Bears)
Genus	Paraphysomonas	Ursus (Bears)
Species	Paraphysomonas imperforata	Ursus maritimus

Conservation Status

NE — Not Evaluated

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute		Eisbär
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.

Eisbär

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 imperforata is a silica-scaled, biflagellate chrysophyte with distinctive non-perforated scales covering the cell surface. It inhabits freshwater and marine planktonic environments across temperate regions worldwide. This phagotrophic protist feeds primarily on bacteria and small algae, playing a role in microbial food web dynamics.

Eisbär

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.