MORRIS: FEEDING HABITS OF BLACKSMITH 



50- 



01 



n 40 



E 



c 30 



>> 



n 20 



10 







0) 10 

 E 



> 



>. 30- 



a 



^ 40 



92 



FREQUENCY OCCURRENCE 



FIGURE 2.— Graphic representation of the Index of Relative Importance of prey items consumed hy blacksmith, Chromis 

 punctipinnis, at the discharge (thermal outfall) in King Harbor, Calif. 



-D 



E 



3 

 C 



>< 



E 



3 



o 



> 



>> 

 n 





P 40 - 



FREQUENCY OCCURRENCE 



FIGURE 3. — Graphic representation of the Index of Relative Importance of prey items consumed by blacksmith, 

 Chromis punctipinnis, at the Point (control site) in King Harbor, Calif. 



large polychaetes, other crustaceans, as well as 

 Oikopleura. At both sites blacksmith were selective 

 in their planktonic feeding, consuming the largest 

 prey items available. Brooks (1968) stated that there 



is selection for larger zooplankters, with smaller ones 

 eaten as the larger ones become scarce. At the Point, 

 Oikopleura was the largest prey item found in abun- 

 dance, while at the discharge other larger food items 



203 



