There has been much talk on here about which species are viable, which are being phased-out etc., so to put some of your minds at rest, I’ve compiled a list of up to date information regarding the management plans of primates within ARAZPA.
Bornean Orang-utan - Maintain (breed if other institutions provide spaces); Phase-out long, long term
Orang-utan Hybrid - Maintain non-breeding; Phase-out long term
Sumatran Orang-utan – Viable; Importation needed of breeding females
Chimpanzees – Viable; Priority Ape species
Western Lowland Gorilla – Viable
Siamang – Viable
White-cheeked Gibbon – Viable; Importation needed
Muller’s Gibbon – Phase-out
Silvery Gibbon – Importation needed; More spaces required
Lar Gibbon – Phase-out
Dusky Leaf-monkey – Maintain until more Francois Leaf-monkeys are acquired; Phase-out long term
Francois Leaf-monkey – Importation needed; more spaces required; Priority Leaf-monkey species
Ebony Leaf-monkey – Phase-out
Black And White Colobus Monkey – No longer managed; Importation needed
Chacma Baboon – Phase-out
Hamadryas Baboon – Viable; Importation ideal
Mandrill – No longer managed; Importation vital
Lion-tailed Macaque – Phase-out
Bonnet Macaque – Phase-out
Sulawesi Macaque – Phase-out, unless more spaces given
Pig-tailed Macaque – Phase-out
Rhesus Macaque – Phase-out
Japanese Macaque – Phase-out
Crab-eating Macaque – Phase-out
Vervet Monkey – Viable; Importation needed
De Brazza’s Monkey – Maintain non-breeding; Phase-out long term
Brown Spider-monkey – Phase-out
Common Squirrel-monkey – Maintain until more Bolivian Squirrel-monkeys are acquired; Phase-out long term
Bolivian Squirrel-monkey – Importation needed; Priority Squirrel-monkey species
Black-capped Capuchin – Viable
White-fronted Capuchin – Phase-out
Black-handed Spider-monkey – Viable
Spider-monkey Sp. – Phase-out
Cotton-top Tamarin – Viable; Importation ideal
Emperor Tamarin – Viable; Importation ideal; Managed by EEP
Golden Lion-tamarin – Importation needed; Managed by GLT MC
Black Lion-tamarin – Phase-out; Managed by BLT MC
Pygmy Marmoset – Viable; Importation needed
Common Marmoset – Viable
Sunda Loris – Phase-out
Slow Loris – Phase-out
Black and White Ruffed Lemur – Viable; Importation ideal
Ring-tailed Lemur – Viable; Importation ideal
White-fronted Lemur – Phase-out
I hope this was helpful.

Bornean Orang-utan - Maintain (breed if other institutions provide spaces); Phase-out long, long term
Orang-utan Hybrid - Maintain non-breeding; Phase-out long term
Sumatran Orang-utan – Viable; Importation needed of breeding females
Chimpanzees – Viable; Priority Ape species
Western Lowland Gorilla – Viable
Siamang – Viable
White-cheeked Gibbon – Viable; Importation needed
Muller’s Gibbon – Phase-out
Silvery Gibbon – Importation needed; More spaces required
Lar Gibbon – Phase-out
Dusky Leaf-monkey – Maintain until more Francois Leaf-monkeys are acquired; Phase-out long term
Francois Leaf-monkey – Importation needed; more spaces required; Priority Leaf-monkey species
Ebony Leaf-monkey – Phase-out
Black And White Colobus Monkey – No longer managed; Importation needed
Chacma Baboon – Phase-out
Hamadryas Baboon – Viable; Importation ideal
Mandrill – No longer managed; Importation vital
Lion-tailed Macaque – Phase-out
Bonnet Macaque – Phase-out
Sulawesi Macaque – Phase-out, unless more spaces given
Pig-tailed Macaque – Phase-out
Rhesus Macaque – Phase-out
Japanese Macaque – Phase-out
Crab-eating Macaque – Phase-out
Vervet Monkey – Viable; Importation needed
De Brazza’s Monkey – Maintain non-breeding; Phase-out long term
Brown Spider-monkey – Phase-out
Common Squirrel-monkey – Maintain until more Bolivian Squirrel-monkeys are acquired; Phase-out long term
Bolivian Squirrel-monkey – Importation needed; Priority Squirrel-monkey species
Black-capped Capuchin – Viable
White-fronted Capuchin – Phase-out
Black-handed Spider-monkey – Viable
Spider-monkey Sp. – Phase-out
Cotton-top Tamarin – Viable; Importation ideal
Emperor Tamarin – Viable; Importation ideal; Managed by EEP
Golden Lion-tamarin – Importation needed; Managed by GLT MC
Black Lion-tamarin – Phase-out; Managed by BLT MC
Pygmy Marmoset – Viable; Importation needed
Common Marmoset – Viable
Sunda Loris – Phase-out
Slow Loris – Phase-out
Black and White Ruffed Lemur – Viable; Importation ideal
Ring-tailed Lemur – Viable; Importation ideal
White-fronted Lemur – Phase-out
I hope this was helpful.