The long-tailed fruit bat, long-tailed blossom bat, or Fijian blossom bat (Notopteris macdonaldi) is a species of megabat in the family Pteropodidae. It is found in Fiji and Vanuatu. They roost as large colonies in caves and forage in a range of lowland and montane habitats. They are threatened by exploitation and disturbance of roosting caves, hunting, and tourism.