Emerald Tree Boa

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Emerald Tree Boa

Emerald Tree BoaOriginal.jpg

Emerald Tree BoaOldDesign.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 Pavilion Nexon Game

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


Emerald Tree Boa has plain yellow hair tied into two loops, and bright blue eyes. Her snake tail is green, with a lighter yellow-toned underside and white stripes on top. Being a duo and in the same genus, she wears similar clothes to Amazon Tree Boa. They share the same white skirt and sleeves. The “eyes” on Emerald Tree Boa’s hood appear half open, and are yellow. She has striped markings on her hoodie, which is green with a yellow stripe in the middle. Her underskirt is a light emerald green, and her socks are a mostly plain green with a few small white stripes. She wears yellow open top shoes, as opposed to Amazon Tree Boa’s boots.

Emerald Tree Boa's redesign contains significant changes. Her eyes are now a golden colour, her complexion was darkened and her hood was changed to appear scalier and more reptilian, notably now possessing the glowing eye-spots also seen on other reptile Friends such as Tsuchinoko and Komodo Dragon.
Her hair is now gray, and the loops are replaced with extremely long braids that Boa wears around her neck like a scarf. The ends of these braids are decorated with bright blue baubles and end in two-pointed prongs with dark purple and pink colours, resembling snake tongues. One end hangs behind, while the other is threaded through the 'scarf' to the front of Boa's neck.
Her attire has also completely changed. Her hoodie is now open, with a mild-yellow shirt underneath. The reptilian patterns are simple white markings with less detail than before, and only appear on the shoulders. She now wears dark green jeans instead of a skirt, with the cuffs rolled up to below the knee. Her socks are gone, and she now wears green sandals. Finally, her tail is significantly longer with more detailed patterns.

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.


Reptile Friends
American AlligatorGharialSaltwater CrocodileSpectacled Caiman
African Rock PythonAmazon Tree BoaBlack MambaBoomslangCoastal TaipanEmerald Tree BoaEuropean RatsnakeKing CobraOkinawan HabuTsuchinoko
Alligator Snapping TurtleGalápagos TortoiseGenbuIndian Star TortoiseLeopard TortoiseRed-Eared SliderRed-Footed Tortoise
Miscellaneous Reptiles
Frilled LizardKomodo DragonPanther ChameleonSatanic Leaf-Tailed Gecko