Nile Crocodile vs Saltwater Crocodile

Crocodylus niloticus compared with Crocodylus porosus

Taxonomic Classification

Rank	Nile Crocodile	Saltwater Crocodile
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Reptilia (สัตว์เลื้อยคลาน)	Reptilia (สัตว์เลื้อยคลาน)
Order same	Crocodylia (Crocodilians)	Crocodylia (Crocodilians)
Family same	Crocodylidae (Crocodiles)	Crocodylidae (Crocodiles)
Genus same	Crocodylus (True Crocodiles)	Crocodylus (True Crocodiles)
Species	Crocodylus niloticus	Crocodylus porosus

Evolutionary Relationship

Nile Crocodile and Saltwater Crocodile share a common ancestor at the Genus level: Crocodylus. (True Crocodiles)

Conservation Status

Nile Crocodile

LC — Least Concern

Population: ~500.0K

Trend: Stable →

Saltwater Crocodile

LC — Least Concern

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Nile Crocodile	Saltwater Crocodile
Diet	Carnivore	Carnivore
Average Lifespan	70 years	70 years
Average Length	5.0 m	6.0 m
Average Weight	750.0 kg	1.0 t

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.

Saltwater Crocodile

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Australia, India, Indonesia, Malaysia, and Philippines.

Nile Crocodile

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

Saltwater Crocodile

The saltwater crocodile is the largest living reptile, found from eastern India to northern Australia.