Rübenzystennematode vs Eisbär

Heterodera schachtii compared with Ursus maritimus

Key Differences

• Rübenzystennematode is Not Evaluated while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Rübenzystennematode	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Nematoda (Fadenwürmer)	Chordata (Chordatiere)
Class	Chromadorea (Chromadorea)	Mammalia (Säugetiere)
Order	Rhabditida (Rhabditida)	Carnivora (Raubtiere)
Family	Heteroderidae	Ursidae (Bears)
Genus	Heterodera	Ursus (Bears)
Species	Heterodera schachtii	Ursus maritimus

Evolutionary Relationship

Rübenzystennematode and Eisbär share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Rübenzystennematode

NE — Not Evaluated

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Rübenzystennematode	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Rübenzystennematode

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (9 countries).

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.

Rübenzystennematode

The Beet cyst nematode (Heterodera schachtii) is a species in the genus Heterodera. Native to Europe, inhabiting ecosystems characteristic of the region. The species is documented in scientific literature under the name Heterodera schachtii.

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.