New Zealand grayling (Prototroctes oxyrhynchus)

General data
- Main name: New Zealand grayling
- Habitat: Amfidromous
Classification
- Genus: Prototroctes - Prototroctes
- Family: Retropinnidae - New Zealand smelts
- Order: Osmeriformes - Smelts
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes