Can be tamed.

Level:35 Boss Elite
Name:Retains original name after taming.
Zone:Terrace of Endless Spring (Raid)
Requires Cloud Serpent Taming.Cloud Serpent Taming
Pandaren hunters automatically know how to tame Cloud Serpents. Hunters of other races must learn the skill from the tome How to School Your Serpent, which may purchased from San Redscale at The Arboretum in The Jade Forest. You require Exalted standing with The Order of the Cloud Serpent to read this tome, but the learned skill is account-wide. You can even purchase and read this tome on a non-hunter character.
Location & Notes:

Located in Terrace of Endless Spring (Raid). Tsulong is a powerful spirit being and not a regular beast. This ID is for his black, attackable form.Once tamed, Tsulong will respawn as a raid boss about 30 seconds later.