Fig. 11.12. Patterns Assumed by the Cuttlefish 

 Sepia officinalis under Different Conditions 

 (a) The dark zebra pattern of an actively swimming animal; (b) the light zebra pattern 

 of an animal swimming over a light sandy bottom; (c) light mottled pattern of a specimen 

 at rest on a sandy bottom; (d) white stripe pattern shown in a black and white environ- 

 ment; (e), (f), longitudinal stripe and black spot patterns displayed on disturbance. 

 (After Holmes, 1940.) 



