lOO-i 



80 



60- 



m 40 



=3 



^ 20- 



Z) 



o 

 > 



80 



>*~l 



o -H— 



20 

 40 

 60 



D 



I 



B C E 



% FREQUENCY 



100 % 

 ( I 1 ) 



100- 



STANDARD 21-40 



LENGTH 

 (N) 



(93) 



IRI 



A) 



10521 



1) 



154 



2) 



8727 



B) 



811 



C) 



87 



D) 



23 



E) 



40 



F) 



1 



41-60 

 (107) 



10544 



49 



9979 



1279 

 6 



28 



88 



187 



61-80 

 (I40) 



11512 



60 



10965 



1528 

 19 



61 



27 



571 



F 

 fl- 



81-100 

 (142) 



7983 



1 



7952 



3570 

 3 



101 



426 



21 







B 



D 





101-120 

 (42) 





6739 



1 

 6707 



AMPHIPODA 

 HYPERIDEA 

 GAMMARIDEA 



4896 



1 



POLYCHAETA 

 COPEPODA 



100 



240 



6 



CUMACEA 



LARVACEA 



PISCES 



Figure 24.— Percent frequency occurrence, per- 

 cent number, percent volume displacement, and 

 index of relative importance (IRI) of higher tax- 

 onomic groups of food for size intervals (mm) of 

 Citharichthys arctifrons. 



Standard length 

 (N) 



Figure 25.— Relationship between size of 

 Citharichthys arctifrons and volume of food con- 

 sumed (broken line), mean prey volume (solid 

 line), and prey number per stomach (dashed 

 line). 



25 



