Rat surmulot vs Holbiche tête molle

Rattus norvegicus compared with Apristurus spongiceps

Key Differences

• Rat surmulot is Least Concern while Holbiche tête molle is Data Deficient.

Taxonomic Classification

Rank	Rat surmulot	Holbiche tête molle
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Chondrichthyes (Cartilaginous Fish)
Order	Rodentia (Rodents)	Carcharhiniformes (Ground Sharks)
Family	Muridae (Mice & Rats)	Scyliorhinidae
Genus	Rattus	Apristurus
Species	Rattus norvegicus	Apristurus spongiceps

Evolutionary Relationship

Rat surmulot and Holbiche tête molle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Rat surmulot

LC — Least Concern

Holbiche tête molle

DD — Data Deficient

Physical Characteristics

Attribute	Rat surmulot	Holbiche tête molle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rat surmulot

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).

Holbiche tête molle

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Rat surmulot

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.