Table 52. — Stomach contents of fur seals collected pelagically by the 

 United States in the Bering Sea, 1968 



[T = trace (<5 cc. ); counts are included in frequency counts] 



Food 



Summer 



Volume 



July-August 



I Frequency 



1/ 



Fish 



Salmonidae 

 Mallotus villosus 

 Bathylagidae 

 Gadidae 



Gadus macrocephalus — 

 Theragra chalcogrammus 

 Pleurogrammus monopterygius 

 Ammodytes hexapterus 

 Unidentified 



Squid 

 Gonatidae 

 Gonatus fabricii 

 Gonatus magister 

 Gonatopsis borealis 

 Unidentified 



Bird 



0.0 



Pebbles 

 Total 



71, 430 



0. 



Stomachs with food 

 Stomachs empty 



133 

 68 



l/ Otoliths identified by John E. Fitch, California Department of 

 Fish and Game. 



60 



