vs Brown Rat

Aspergillus niger compared with Rattus norvegicus

Key Differences

is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank		Brown Rat
Kingdom	Fungi (فطر)	Animalia (حيوانات)
Phylum	Ascomycota (فطريات زقية)	Chordata (حبليات)
Class	Eurotiomycetes (عوفنيات)	Mammalia (ثدييات)
Order	Eurotiales (عوفنات)	Rodentia (قوارض)
Family	Aspergillaceae	Muridae (Mice & Rats)
Genus	Aspergillus	Rattus
Species	Aspergillus niger	Rattus norvegicus

Conservation Status

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute		Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

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

Range

Distributed across Brazil, Denmark, Norway, Portugal, and Sweden.

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).

Aspergillus niger is a ubiquitous black-spored mold with a globally cosmopolitan distribution, recognized by its dense black conidial heads. It inhabits soil, decaying organic matter, and indoor environments worldwide across tropical, subtropical, and temperate regions. This saprotrophic fungus decomposes complex organic matter and is commercially important for citric acid production and enzyme manufacturing.

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.