# Green anaconda (*Eunectes murinus*)

Canonical page: https://creaturedata.com/animals/green-anaconda  
Data as of: 2026-11-11

The green anaconda (Eunectes murinus), also called the anaconda or northern green anaconda, is a snake in the family Boidae and subfamily Boinae, within the order Squamata. It falls in the large size class, with a representative adult body mass of 97.5 kg and a body length of 3.2 m. Its eggs incubate for 180 days, it reaches sexual maturity at 2.5 years, and a clutch holds 34.7 young or eggs on a representative basis. The green anaconda is listed as Least Concern on the IUCN Red List, which is not a threatened category.

## Quick facts

| Fact | Value |
|---|---|
| Weight | 97.5 kg |
| Length | 3.19 m – 3.63 m |
| Lifespan | 28 years |
| Diet | Carnivore |
| Longest recorded lifespan | 31.8 years |
| Main food | Not recorded |
| Habitat | forest |
| Egg incubation | 180 days |
| Young per litter or clutch | 30 – 63.7 |
| Age at maturity | 2.5 years – 3.5 years |
| Litters or clutches a year | 0.4 – 1 |
| Reproduction | Live birth |
| Active | Day and night (cathemeral) |
| Conservation status | Least Concern (IUCN) |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Boidae
- genus: Eunectes
- species: *Eunectes murinus* (Linnaeus, 1758)

Synonyms: *Boa aboma*, *Boa anacondo*, *Boa aquatica*, *Boa gigas*, *Boa murina*, *Boa scytale*, *Eunectes akayima*, *Eunectes barbouri*, *Eunectes murinus gigas*, *Eunectes murinus murinus*, *Eunectes scytale*

## Common questions

### What kind of animal is the green anaconda?

The green anaconda is a snake, a reptile in the family Boidae and the order Squamata.

### How big is the green anaconda?

The green anaconda has a representative adult body mass of 97.5 kg and a body length of 3.2 m, placing it in the large size class.

### How long does the green anaconda live?

Its representative lifespan is 28 years, and the highest value reported by sources is 31.8 years.

### Is the green anaconda endangered?

No. The green anaconda is listed as Least Concern on the IUCN Red List, which is not a threatened category.

### How many eggs or young does the green anaconda have?

A green anaconda clutch holds 34.7 young or eggs on a representative basis, with 0.57 clutches per year.

### How long is the green anaconda's incubation period?

The egg incubation period of the green anaconda is 180 days.

### Who named the green anaconda?

The green anaconda, Eunectes murinus, was named by (Linnaeus, 1758).

## 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
- [SquamBase 1.0 - a dataset of squamate species traits](https://doi.org/10.5061/dryad.76hdr7t3b), CC0 1.0, 1.0-dryad-v5. Meiri, S. (2024) SquamBase - a database of squamate (Reptilia: Squamata) traits. Global Ecology and Biogeography 33(4): e13812. https://doi.org/10.1111/geb.13812. Data: https://doi.org/10.5061/dryad.76hdr7t3b
- [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: Green anaconda (Eunectes murinus). Retrieved from https://creaturedata.com/animals/green-anaconda