title: Grey knifefish
text: # Grey knifefish
  
  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).
  
  