Lophius americanus 





IRI 



A 



16845 



R 



65 



C 



19 



D 



16 



F 







r 







91% 



A 



PISCES 



19176 



B 



DECAPODA 



35 



C 



CEPHALOPODA 



9 



n 



AMPHIPODA 







F 



POLYCHAETA 







F 



ASTEROIDEA 







100% 



SPRING 1977 



100- 

 80- 

 60" 

 40- 

 20- 



o- 



20- 

 40- 

 60- 

 80- 

 100- 



17145 



41 











34 



32 



BEF 



-w— 



6% 



9 4% 

 % FREQUENCY 



SUMMER 1977 







IRI 



A 





A 



B 

 C 

 D 

 E 

 F 



12971 



399 



237 











47 







B 











_C_ 



F 





20% 



TF 



10% 



85% 

 % FREQUENCY 



Figure 5.— Percent frequency occurrence, percent number, percent volume 

 displacement, and index of relative importance (IRI) of higher taxonomic 

 groups of food in the diet of Lophius americanus, by seasonal cruise. 



13 



