Red Jormungar

There are 2 tameable creatures with this look.

Red Jormungar
Exotic family: Beast Masters only - level 10+.Exotic Family
Can only be used by Beast Mastery hunters that have reached level 10.
Can Be Tamed
Eastern Dunes, Vol'dun
Only present when the Horde-only World Quest Sandfishing is active. These worms can be fished out of the sand as part of the quest. The quest is located north-east of Atul'Aman.
Can Be Tamed
40Gorian Proving Grounds, Nagrand - Draenor
Released from cages using Ogre Cage Key, taken from Bloodring Slavers. You, or someone with you, must have the once-only quest, Assault on the Gorian Proving Grounds to open a cage.
Cannot Be Tamed
10-50Island Expeditions (Scenario)
A possible encounter on any island, except maybe Crestfall and Snowblossom Village.
Level scaling: Most NPCs will scale with the Hunter's level, within the constraints of their level range. Hunters can tame regular NPCs up to 2 levels higher than them, but can only tame elite NPCs of the hunter's level or below.