Exotic Family: You must be be in the Beast Master talent spec to tame these pets! (Previously you had to be level 69 as well, but that changed in Patch 6.2. Now you just have to be BM spec, which you can choose at level 10.)

Green SilithidGreen Purple SilithidPurple Tan SilithidTan Yellow SilithidYellow

Silithid Colossi

Blue Silithid ColossusBlue Damaged Blue Silithid ColossusDamaged Blue Damaged Orange Silithid ColossusDamaged Orange Damaged Pink Silithid ColossusDamaged Pink
Damaged Purple Silithid ColossusDamaged Purple Orange Silithid ColossusOrange Pink Silithid ColossusPink Purple Silithid ColossusPurple

Ant Silithids

Brown Ant SilithidBrown Green Ant SilithidGreen Purple Ant SilithidPurple Tan Ant SilithidTan