The bluefinned butterfish (Odax cyanoallix) a species of marine ray-finned fish, a weed whiting from the family Odacidae, which is found only around Three Kings Islands about 80 km north of New Zealand. It is found in shallow reef areas where brown seaweed is abundant.[1] This species can reach a length of 27cm (11inches) SL. It is of minor importance to local commercial fisheries. Isolated individuals have been recorded elsewhere around the northern North Island.