Nile Crocodile vs Pacific Spiny-rat

Crocodylus niloticus compared with Proechimys decumanus

Key Differences

• Nile Crocodile is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Nile Crocodile	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Mammalia (Mammals)
Order	Crocodylia (Crocodilians)	Rodentia (Rodents)
Family	Crocodylidae (Crocodiles)	Echimyidae
Genus	Crocodylus (True Crocodiles)	Proechimys
Species	Crocodylus niloticus	Proechimys decumanus

Evolutionary Relationship

Nile Crocodile and Pacific Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Nile Crocodile

LC — Least Concern

Population: ~500.0K

Trend: Stable →

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Nile Crocodile	Pacific Spiny-rat
Diet	Carnivore	—
Average Lifespan	70 years	—
Average Length	5.0 m	—
Average Weight	750.0 kg	—

Habitat & Geographic Range

Nile Crocodile

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Egypt, Kenya, Madagascar, South Africa, and Tanzania.

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.

Nile Crocodile

The Nile crocodile is one of the largest reptiles in the world and is found throughout sub-Saharan Africa.