Brown Rat vs Centric diatom

Rattus norvegicus compared with Skeletonema subsalsum

Key Differences

Brown Rat is Least Concern while Centric diatom is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Centric diatom
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Rodentia (Rodents)	Thalassiosirales (Thalassiosirales)
Family	Muridae (Mice & Rats)	Skeletonemaceae
Genus	Rattus	Skeletonema
Species	Rattus norvegicus	Skeletonema subsalsum

Conservation Status

Brown Rat

LC — Least Concern

Centric diatom

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Centric diatom
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).

Centric diatom

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

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.

Centric diatom

The Centric Diatom (Skeletonema subsalsum) is a species in the genus Skeletonema. Found across Europe (7 countries) and North America (United States).