New Zealand grayling

In the Maori tongue there is many names for this fish: upokororo, paneroro and kanaekura are all names for the New Zealand grayling. This subspecies of grayling was amphidromous, meaning they started life in freshwater, and matured in saltwater. Closest relative is the Australian grayling, which is a vulnerable grayling species today. Like its cousin, had developed teeth and longer stomachs to accommodate them having algae in their diet, beside The New Zealand grayling met its demise not only by the introduction of trout, carrying foreign diseases their immune system was not ready for, but deforestation and predation were also major reasons.