Crocodylus novaeguineae
The New Guinea crocodile (Crocodylus novaeguineae) is a medium-sized freshwater crocodile found only on New Guinea, smaller than the saltwater crocodile.
PANDUANHEWAN · INDONESIA
New Guinea crocodile vs Saltwater crocodile: the differences
How do the New Guinea crocodile (Crocodylus novaeguineae) and Saltwater crocodile (Crocodylus porosus) differ? Classification, features, range, diet, size, IUCN status and legal protection, from cited sources.
The New Guinea crocodile (Crocodylus novaeguineae) and the saltwater crocodile (Crocodylus porosus) are different species in the same genus, Crocodylus. Range in Indonesia — the New Guinea crocodile: Papua, mainly freshwater rivers, lakes and swamps such as the Mamberamo basin; the saltwater crocodile: Coasts, estuaries and rivers across much of Indonesia, from Sumatra to Papua.
Crocodylus porosus
A large reptile capable of using both salt and fresh water. Understanding its habitat and respecting its space matters for community safety and conservation.
New Guinea crocodile and Saltwater crocodile compared
| Aspect | New Guinea crocodile | Saltwater crocodile |
|---|---|---|
| Scientific name | Crocodylus novaeguineae | Crocodylus porosus |
| Indonesian name | Buaya irian | Buaya muara |
| Class | Reptilia | Reptilia |
| Order | Crocodylia | Crocodylia |
| Family | Crocodylidae | Crocodylidae |
| Range in Indonesia | Papua, mainly freshwater rivers, lakes and swamps such as the Mamberamo basin | Coasts, estuaries and rivers across much of Indonesia, from Sumatra to Papua |
| Endemic to Indonesia | No | No |
| Key features | Fairly narrow snout, dark bands on body and tail | — |
| Size | — | Adult length: Average 3–5 m; largest reliably measured female 4 m |
| Diet | Fish, waterbirds, frogs and reptiles; young eat insects | Animals; carnivore |
| Diet type | carnivore (meat-eater) | carnivore (meat-eater) |
| Reproduction | laying eggs (oviparous) | laying eggs (oviparous) |
| IUCN status | Least Concern | Least Concern |
| Legal protection | Protected (Regulation P.106/2018) | Protected (Regulation P.106/2018) |
Every cell comes from the sourced data on each animal’s page; an empty cell means the data is not yet available, not that it is absent.
How to tell them apart
- New Guinea crocodile: Fairly narrow snout, dark bands on body and tail.
Telling animals apart never replaces keeping your distance. Do not approach, catch or handle wild animals; if bitten, go to a health facility immediately.
More comparisons
Sources
- The Reptile Database — Crocodylus novaeguineae SCHMIDT, 1928 ↗
- IUCN Crocodile Specialist Group — Cox (2010), New Guinea Freshwater Crocodile Crocodylus novaeguineae, in Crocodiles: Status Survey and Conservation Action Plan, 3rd ed., pp. 90–93 ↗
- Crocodilians: Natural History & Conservation (Britton) — New Guinea Crocodile (Crocodylus novaeguineae) ↗
- Animal Diversity Web — Crocodylus novaeguineae, New Guinea crocodile ↗
- Copeia 107(3) — Murray, Russo, Zorrilla & McMahan (2019), Crocodylus halli new species, taxonomic treatment via Plazi/Zenodo ↗
- Mongabay Indonesia (2021) — Dilindungi dan Dihormati, Buaya Endemik Papua Ini Masih Diburu ↗
- Jubi (2026) — Mengenal jenis buaya di Tanah Papua ↗
- Peraturan Menteri LHK Nomor P.106/MENLHK/SETJEN/KUM.1/12/2018 tentang Jenis Tumbuhan dan Satwa yang Dilindungi ↗
- GBIF Backbone Taxonomy (GBIF) ↗
- Australian Museum — Estuarine crocodile ↗
- Northern Territory Government — Crocodiles ↗
- Northern Territory Government — Be Crocwise ↗
- Ecology Asia ↗
- Reptile Database ↗
- SeaLifeBase: Crocodylus porosus species summary ↗
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