| Grey knifefish | |
|---|---|
| Drawing by Dr Tony Ayling | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Kyphosidae |
| Genus: | Bathystethus |
| Species: | B. cultratus |
| Binomial name | |
| Bathystethus cultratus (Forster, 1801) |
|
The grey knifefish, Bathystethus cultratus, is a sea chub of the genus Bathystethus, found in New Zealand.