title: Goniodoris mercurialis
text: # Goniodoris mercurialis
  
  Goniodoris mercurialis is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.
  
  ## Distribution
  
  This species was first described from False Bay, South Africa. It is found on both sides of the Cape Peninsula.
  
  ## Description
  
  This goniodorid nudibranch is translucent tan in colour, with large areas of white surface pigment on the oral tentacles and the back and sides of the body.
  
  ## Ecology
  
  Goniodoris mercurialis feeds on colonial ascidians.
  
  