"Our staff and our partners at Pacific Radiology and Massey University Veterinary Teaching Hospital have done everything possible to ensure she received the best possible care throughout her illness.
"We know our visitors and community will be saddened by this news too and our thoughts are with them."
He said Cantik was an important part of the international conservation breeding programme for critically endangered Sumatran tigers, with only approximately 300 to 400 left in the wild.