minor size differences between fish in incurrent 

 and excurrent cages (Table 5). Also, when data 

 were pooled among experiments to increase sam- 

 ple size, neither length, weight, nor volume of 



FISHERY BULLETIN: VOL. 78, NO. 4 



fish differed significantly between cages (f-tests, 

 P>0.75). 



Gut fullness was greater for fish in the incurrent 

 cage (Table 5). Average fullness for 13 incurrent 



Table 5. — Diets of blacksmith in five cage experiments at the incurrent and near the excurrent ends of Naples Reef, southern 

 California. Only individuals with food in their guts were included in the analyses. Fullness is defined in the text. 



Table 6. — Diets of free-living and caged blacksmith at the incurrent end of Naples Reef, southern 



California. Fullness is defined in the text. 



Table 7. — Diets of free-living juvenile blacksmith collected near the incurrent and excurrent ends 

 of Naples Reef, southern California. Fullness is defined in the text. 



836 



