Phylum Chordata Rank Species | Family Kyphosidae Scientific name Bathystethus cultratus Higher classification Bathystethus Order Perciformes | |
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Similar Blue knifefish, Girella fimbriata, Scorpidinae, Perciformes, Blue maomao | ||
The grey knifefish, Bathystethus cultratus, is a species of sea chub native to the Pacific Ocean from Australia to New Zealand and the Kermadec Islands. This species is a plankton eater which swims constantly within a few meters of the surface of the ocean. This species can reach a length of 30 cm (12 in).
References
Grey knifefish Wikipedia(Text) CC BY-SA