The native Anguilla australis (shortfin eel) is a culturally significant species for indigenous Māori populations of New Zealand. At Lake Forsyth/Te Wairewa (Canterbury), local Māori have depended on A. australis as a source of mahinga kai (traditional food) for centuries. This lake experiences blooms of Nodularia spumigena and the associated hepatotoxin nodularin has been detected in water samples. This study aimed to determi...