title: Okenia vena
text: # Okenia vena
  
  Okenia vena is a species of sea slug, specifically a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.
  
  ## Distribution
  
  This species was described from northern New South Wales, Australia. It is known only from eastern Australia.
  
  ## Description
  
  This Okenia has a narrow body and seven to eight lateral papillae on each side and papillae in the middle of the back. The body is white and the rhinophores are brown. There is a pattern of broken brown lines on the back and tail.
  
  ## Ecology
  
  The diet of this species is the ctenostome bryozoan Amathia tortuosa.
  
  