 
		Nudibranch - Antiopella cristata (formerly Janolus cristatus)
 
Janolus cristatus is normally a semi-transparentgrey with white and blue markings, but this specimen has adopted a light tan colour to match the byzoans on which it is feeding. Common in the N.Atlantic; grows to about 75mm in length.
 
		Ref:  
		Date:  
		Location: 
North Sea - St. Abbs Marine Reserve
 
		Photographer:  
 
		Nudibranch - Antiopella cristata (formerly Janolus cristatus)
 
Janolus cristatus is normally a semi-transparentgrey with white and blue markings, but this specimen has adopted a light tan colour to match the byzoans on which it is feeding. Common in the N.Atlantic; grows to about 75mm in length.
 
		Ref:  
		Date:  
		Location: 
North Sea - St. Abbs Marine Reserve
 
		Photographer:  
 
		Nudibranch - Antiopella cristata (formerly Janolus cristatus)
 
Janolus cristatus is normally a semi-transparentgrey with white and blue markings, but this specimen has adopted a light tan colour to match the byzoans on which it is feeding. Common in the N.Atlantic; grows to about 75mm in length.
 
		Ref:  
		Date:  
		Location: 
North Sea - St. Abbs Marine Reserve
 
		Photographer: