Brown Rat vs Pea cyst nematode

Rattus norvegicus compared with Heterodera goettingiana

Key Differences

• Brown Rat is Least Concern while Pea cyst nematode is Not Evaluated.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Pea cyst nematode

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Pea cyst nematode
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

Pea cyst nematode

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Portugal.

Brown Rat

Brown Rat (Rattus norvegicus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇵🇹 Portugal