Miller’s Mastiff Bat vs Pacific Spiny-rat

Molossus pretiosus compared with Proechimys decumanus

Key Differences

• Miller’s Mastiff Bat is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Miller’s Mastiff Bat	Pacific Spiny-rat
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Chiroptera (ค้างคาว)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Molossidae	Echimyidae
Genus	Molossus	Proechimys
Species	Molossus pretiosus	Proechimys decumanus

Evolutionary Relationship

Miller’s Mastiff Bat and Pacific Spiny-rat share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Miller’s Mastiff Bat

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Miller’s Mastiff Bat	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.