240 



Fishery Bulletin 93(2), 1995 



Theragra chalcogramma 



7 9 11 13 15 17 19 21 23 



Local Time (Houis) 



Theragra chalcogramma 



Local Time (Hours) 



Hexagrammos decagrammus 



3 11 13 15 17 IS 21 23 



Local Time (Hours) 



Pleurogrammus monopterygius 



9 11 13 15 17 19 21 23 



Local Time (Hours) 



Mallolus villosus 



9 11 13 15 17 19 21 23 



Local Time (Hours) 



Ammodytes hexapterus 



9 11 13 15 17 19 21 23 



Local Time (Hours) 



Hexagrammos stelleri 



9 11 13 15 17 19 21 



Local Time (Hours) 



Anoptopoma fimbria 



7 19 21 23 



Local Time (Hours) 



Figure 4 



Diel variation in density and occurrence of walleye pollock, Theragra chalcogramma, eggs and 

 individual dominant taxa offish larvae in neuston samples, for all cruises combined (1981-86). 

 Bars represent mean density; solid line represents the percent of hauls that caught larvae. 



