Pea cyst nematode vs Polynesian rat

Heterodera goettingiana compared with Rattus exulans

Key Differences

• Pea cyst nematode is Not Evaluated while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Pea cyst nematode	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Nematoda (Roundworms)	Chordata (Chordates)
Class	Chromadorea (Chromadorea)	Mammalia (Mammals)
Order	Rhabditida (Rhabditida)	Rodentia (Rodents)
Family	Heteroderidae	Muridae (Mice & Rats)
Genus	Heterodera	Rattus
Species	Heterodera goettingiana	Rattus exulans

Evolutionary Relationship

Pea cyst nematode and Polynesian rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Pea cyst nematode

NE — Not Evaluated

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Pea cyst nematode	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pea cyst nematode

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Portugal.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).