Brown Rat vs Elephant fish

Rattus norvegicus compared with Callorhinchus milii

Taxonomic Classification

Rank	Brown Rat	Elephant fish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Holocephali (Holocephali)
Order	Rodentia (Rodents)	Chimaeriformes (Chimaeriformes)
Family	Muridae (Mice & Rats)	Callorhinchidae
Genus	Rattus	Callorhinchus
Species	Rattus norvegicus	Callorhinchus milii

Evolutionary Relationship

Brown Rat and Elephant fish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Rat

LC — Least Concern

Elephant fish

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Elephant fish
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).

Elephant fish

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.