title: Opalfish
text: # Opalfish
  
  The opalfish, Hemerocoetes monopterygius, is a duckbill of the genus Hemerocoetes, found only around New Zealand, at depths of between 5 and 200 metres (16 and 656 ft). Their length is between 10 and 25 centimetres (3.9 and 9.8 in).
  
  ## Gallery
  
  * Drawing by Dr Tony Ayling
  * An opalfish surrounded by shells
  