Brown Rat vs Brown Shrimp

Rattus norvegicus compared with Penaeus aztecus

Key Differences

• Brown Rat is Least Concern while Brown Shrimp is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Brown Shrimp
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Malacostraca (Crustaceans)
Order	Rodentia (Rodents)	Decapoda (Decapoda)
Family	Muridae (Mice & Rats)	Penaeidae
Genus	Rattus	Penaeus
Species	Rattus norvegicus	Penaeus aztecus

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Brown Shrimp

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Brown Shrimp
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).

Brown Shrimp

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Widely distributed across Africa (Egypt), Asia (Taiwan, Turkey), and Europe (6 countries).

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.

Brown Shrimp

The Brown Shrimp (Penaeus aztecus) is a species in the genus Penaeus. Typically found in marine, freshwater, and terrestrial environments. Its geographic range includes widely distributed across africa (egypt), asia (taiwan, turkey), and europe (6 countries).

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇪🇬 Egypt 🇫🇷 France 🇬🇷 Greece 🇮🇹 Italy 🇳🇴 Norway 🇹🇼 Taiwan