Fat Sand Rat vs Chalarm Thao

Psammomys obesus compared with Carcharhinus falciformis

Key Differences

• Fat Sand Rat is Least Concern while Chalarm Thao is Vulnerable.

Taxonomic Classification

Rank	Fat Sand Rat	Chalarm Thao
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Chondrichthyes (ปลากระดูกอ่อน)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Carcharhiniformes (อันดับปลาฉลามครีบดำ)
Family	Muridae (Mice & Rats)	Carcharhinidae
Genus	Psammomys	Carcharhinus
Species	Psammomys obesus	Carcharhinus falciformis

Evolutionary Relationship

Fat Sand Rat and Chalarm Thao share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Fat Sand Rat

LC — Least Concern

Chalarm Thao

VU — Vulnerable

Physical Characteristics

Attribute	Fat Sand Rat	Chalarm Thao
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chalarm Thao

Habitat

Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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