Four of these spawn to heal the TzTok-Jad when it reaches half hitpoins. Luring these away and/or killing them is is crucial part of defeating Jad. They will also heal themselves and each other if you fight them.
Credits:
abomb67, Adam007, El Chris2, flobert91, Headnazgul, Jard Y Dooku, Leesters1, muggiwhplar, Warriormonkx