Emerald Tree Boa

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Emerald Tree Boa

Emerald Tree BoaOriginal.jpg

Character Data
Japanese Name: エメラルドツリーボア
Romanised Name: Emerarudo tsurī boa
First Featured in: Kemono Friends (2015 Game)
Animal Data
Scientific Name: Corallus caninus
Distribution: South America
Diet: Carnivore
Average Lifespan in the Wild: Unknown
Read More: Emerald tree boa
Conservation Status: Status iucn3.1 LC.svg.png
Emerald Tree Boa Nexon Game

Emerald Tree Boa is a type of Friend that appeared in the original Kemono Friends mobile game.



In Real Life

Corallus caninus, commonly called the emerald tree boa, is a non-venomous boa species. Adults grow to about 1.8 m in length. Adult males can weigh up to 1.1 kg, while the females can be up to 1.5 kg.

They have a strong prehensile tail which helps them to move around between the branches of trees. Their eyes have vertical pupils which help them to sense movement and they have deep pits in the scales around their mouth for detecting heat given off by their prey.

The color pattern typically consists of an emerald green ground color with a white irregular interrupted zigzag stripe or so-called 'lightning bolts' down the back and a yellow belly. Juveniles vary in color between various shades of light and dark orange or brick-red before ontogenetic coloration sets in and the animals turn emerald green. The neonatal emerald colour variations may be mimicking the multi-coloured vipers of the same regions. After the juvenile takes on the mature colouration, it then depends on camouflage as a defense.

Found in South America in the northern region of Colombia, Brazil, and from Venezuela to Suriname and the Guianas within the so-called Guiana Shield. Found in mature forested areas. They are found from sea level to altitudes of 800 meters.

The diet consists primarily of small mammals, but they have been known to eat some smaller bird species as well as lizards and frogs. Due to the extremely slow metabolism of this species, it feeds much less often than ground dwelling species and meals may be several months apart.

Previously, it had been thought that the primary diet consisted of birds. However, studies of the stomach contents of this species indicate that the majority of its diet consists of small mammals such as rats, bats, and possums. Juvenile and neonates have also been known to feed on small lizards and frogs.

The emerald tree boa is arboreal, nocturnal and lives in solitary. They spend their life among the branches of trees, only descending to the ground to move between them. Days are spent coiled in a tree branch with its head at the centre of the coil and they hunt at night. 

Emerald Tree Boas have a life expectancy of approximately 20 years in captivity. However, they usually live for around 15 years in the wild.


  • Emerald tree boas are called "emerald" because of the exquisite green coloration on their dorsal surfaces.


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