NOTARBARTOLO-Dl-SCIARA: NATURAL HISTORY OF MOBULA 



XII -II 



IV 



VI VII VIM 



IX 



XI 



Figure 6. — A. seasonal variation of the relative importance ofNyctiphanes simplex and Mysidium sp. 

 in the diet of Mobula thurstoni. B. seasonal variation of the abundance of adult and juvenile A^. 

 simplex in the coastal areas of the southwestern Gulf of California (modified from Brinton and 

 Townsend 19801. C. captures of M. tarapacana . D. captures of M. munkiana . E. mean number of 

 daily captures of M. japanica; bars represent 2 SE on either side of the mean. F. mean number of 

 daily captures of M. thurstoni: error bars as in E. (*): although specimens were also captured 

 between December and February, data are not comparable with spring and summer captures because 

 catch effort was minor and inconsistent in the colder months. 



55 



