Azerite Shale Worm

There are 3 tameable creatures with this look.

Azerite Shale Worm
Exotic family: Beast Masters only - level 10+.Exotic Family
Can only be used by Beast Mastery hunters that have reached level 10.
Shale BeastsLevelLocation
Can Be Tamed
30-50Lucky Strike Mines, The MOTHERLODE!! (Dungeon)
Retains its original name after taming.
Can Be Tamed
The Maelstrom (Defending the Maelstrom Scenario)
Only accessible during the quest Defending the Maelstrom.
Can Be Tamed
50Nordrassil, Mount Hyjal
Only appears during the Heart of Azeroth quest Healing Nordrassil.
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.