cockabullyEtymologyProbably from Māori kōkopuruao (“banded kokopu”), with alternation of the ending after bully (“goby of the genus Gobiomorphus”). Compare kokopu.nounAny of various small, blunt-nosed freshwater fishes, especially gobies of the genus Gobiomorphus.“We knew the plants on its banks and in the creek the rocks, cockabullies, eels and the old weighted shredded sacks of drowned kittens and cats.”Any of various marine fishes of the family Tripterygiidae, found in rockpools and coastal waters.