title: Margrethia obtusirostra
text: # Margrethia obtusirostra
  
  Margrethia obtusirostra, the Bighead portholefish, is a bristlemouth of the family Gonostomatidae, found in the tropical and subtropical Indo-Pacific and Atlantic oceans, at depths of between 100 and 600 m. Its length is between 5 and 8 cm.
  
  