Hunting coalition of a Peacock grouper (Cephalopholis argus) and a whitemouth moray eel (Gymnothorax meleagris) Honokohau, North Kona, Big Island, Hawaii. The grouper is waiting for the eel to go hunting. When it does, the grouper will station itself by a reef opening to block the exit as the eel moves toward another opening to hunt inside the reef; both parties benefit from increased hunting success