Brown Rat vs Surf Redfish

Rattus norvegicus compared with Actinopyga mauritiana

Key Differences

• Brown Rat is Least Concern while Surf Redfish is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Surf Redfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Echinodermata (Echinoderms)
Class	Mammalia (Mammals)	Holothuroidea (Holothuroidea)
Order	Rodentia (Rodents)	Holothuriida (Holothuriida)
Family	Muridae (Mice & Rats)	Holothuriidae
Genus	Rattus	Actinopyga
Species	Rattus norvegicus	Actinopyga mauritiana

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Surf Redfish

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Surf Redfish
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).

Surf Redfish

Habitat

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

Range

Distributed across Norway and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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:

🇳🇴 Norway 🇹🇼 Taiwan