# Siamese crocodile (*Crocodylus siamensis*)

Canonical page: https://creaturedata.com/animals/siamese-crocodile  
Data as of: 2026-11-11

The siamese crocodile (Crocodylus siamensis), also called the Siamese freshwater crocodile, is a reptile in the crocodilian family Crocodylidae. It is a large crocodilian with an adult body mass of 42.5 kg, and it lives in freshwater, riverine and wetland habitats. The IUCN Red List classifies the siamese crocodile as Critically Endangered (CR), a threatened category, and its lifespan is given as 21.9 years.

## Quick facts

| Fact | Value |
|---|---|
| Weight | 42.5 kg |
| Length | up to 4 m |
| Lifespan | 21.9 years |
| Diet | Carnivore |
| Main food | Not recorded |
| Habitat | freshwater, riverine, wetland |
| Egg incubation | 77 days |
| Young per litter or clutch | 15 – 50 |
| Litters or clutches a year | 1 |
| Reproduction | Eggs |
| Active | At night (nocturnal) |
| Conservation status | Critically Endangered (IUCN) |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Crocodylia
- family: Crocodylidae
- genus: Crocodylus
- species: *Crocodylus siamensis* Schneider, 1801

Synonyms: *Crocodilus galeatus*

## Common questions

### What kind of animal is the siamese crocodile?

The siamese crocodile is a reptile, a crocodilian in the family Crocodylidae and the genus Crocodylus.

### How heavy is a siamese crocodile?

An adult Siamese crocodile weighs 42.5 kg, which places it in the large size class (adult body mass 25 to 250 kg).

### What habitat does the siamese crocodile live in?

The siamese crocodile lives in freshwater, riverine and wetland habitats.

### Is the siamese crocodile endangered?

Yes. The IUCN Red List classifies it as Critically Endangered (CR), which is a threatened category.

### How long does a siamese crocodile live?

The siamese crocodile has a lifespan of 21.9 years.

### Who named the siamese crocodile?

The siamese crocodile, Crocodylus siamensis, was named by Schneider, 1801.

## Sources

- [An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles](https://doi.org/10.6084/m9.figshare.3563457.v1), CC0 1.0, E096-269. Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), CC BY 4.0, 2026-10-16 XR. Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
- [Wikimedia Commons](https://commons.wikimedia.org), per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed), 2026-11-11. Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
- [ReptTraits: a comprehensive dataset of ecological traits in reptiles](https://doi.org/10.6084/m9.figshare.24572683.v4), CC BY 4.0, v1-2. Oskyrko, O., Mi, C., Meiri, S. et al. (2024) ReptTraits: a comprehensive dataset of ecological traits in reptiles. Scientific Data 11: 243. https://doi.org/10.1038/s41597-024-03079-5. Data: https://doi.org/10.6084/m9.figshare.24572683.v4
- [Wikidata](https://www.wikidata.org), CC0 1.0, 2026-11-11. Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
- [Wikipedia (English)](https://en.wikipedia.org), CC BY-SA 4.0, 2026-11-11. Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

Cite as: Siamese crocodile (Crocodylus siamensis). Retrieved from https://creaturedata.com/animals/siamese-crocodile