44 



Food of Fishes of Winona Lake 



Lepomis pallidus Mitchill (Bluegill).— Table XVIII. 



Micropterus salmoides Lacepede (Large mouth black bass). — Table XIX. 



Ltheostoma caprodes Raf. (Log perch) — Table XX. 



A small per cent of perch on the mud bottom have taken cladocera, cope- 

 pods and fish as compared with those on a sand bottom. 



The per cent of fish eating- all other foods is greater on the mud bottom 

 than on the sand bottom. 



A larger per cent of the bluegills were found to have eaten ephemerida 

 larvae, odonata larvae, beetle larvae, insects and plants on a mud bottom than 

 on a sand bottom. A smaller per cent used all other foods on a sand bottom 

 than on a mud bottom. 



The per cent of bass eating copepods, cray-fish, insects and fish was 

 greater on a mud bottom than on sand bottom. The general use of the other 

 foods showed a decrease. 



Etheostoma caprodes (log perch) showed a greater general use of 

 amphipods, Chironomus larvae, insects and plant tissue on a mud bottom and 

 a decrease of the use of all other foods on sand bottom. Generally we may 

 say a smaller per cent of the fish used entomostraca as food on a sand bottom 



