title: Rostanga pulchra
text: # Rostanga pulchra
  
  Rostanga pulchra is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Discodorididae.
  
  ## Distribution
  
  This is a well known species which has been reported on the Pacific Ocean coast of North, Central and South America from Point Craven, Alaska to the Gulf of California, Panama, Chile and Argentina.
  
  ## Description
  
  Size up to 30 mm in length.
  
  ## Habitat
  
  Found intertidally under boulders and in shallow water, normally feeding on the sponge Ophlitaspongia pennata.
  
  