Carriker’s Speckled Tree-rat vs Fat Sand Rat

Pattonomys carrikeri compared with Psammomys obesus

Key Differences

• Carriker’s Speckled Tree-rat is Data Deficient while Fat Sand Rat is Least Concern.

Taxonomic Classification

Rank	Carriker’s Speckled Tree-rat	Fat Sand Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Echimyidae	Muridae (Mice & Rats)
Genus	Pattonomys	Psammomys
Species	Pattonomys carrikeri	Psammomys obesus

Evolutionary Relationship

Carriker’s Speckled Tree-rat and Fat Sand Rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Carriker’s Speckled Tree-rat

DD — Data Deficient

Fat Sand Rat

LC — Least Concern

Physical Characteristics

Attribute	Carriker’s Speckled Tree-rat	Fat Sand Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Carriker’s Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Carriker’s Speckled Tree-rat

The Carriker’s Speckled Tree-rat (Pattonomys carrikeri) is a species in the genus Pattonomys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.