Oiii'ida Lake I'ishcs 



393 



Food. This fish apix-ars to Ik: inscctivormis when young but as it Ijcconies 

 larger it eats more and more of fish diet until it lx*comes almost entirely piscivorous; 

 but it will readily take frogs, snakes, and almost any moving object near it. of 

 proper size. Fifteen Chain Pickerel of mature size, taken by us from sliallow 

 water, were opened, and eleven of these contained food as shown in table following: 



Table No. 6. Pooo or Esox niger as revealed bv stomach examination. 



The stomachs of seven young Chain rickenl were also examined with the 

 following results : 

 Table No. 7. The food or youno Esox niter as revealed by stomach examinations 



Ohikction I.ks(;th 

 NruiiKR Inches 



490t 

 490C' 



StiD' 



5.S3E ■ 



553 K 

 5.S3H 



Locality' 



Date 

 1916 



Stomach Contents 



Three Mile Bav 



Three Mile Bav 

 Fish Creek 

 Fish Cn-ek 



West Vienna .■.•.ri.iiii 



West Vienna stream 

 West Vienna stream 



July 3 



Umbra limi 



IS fish fr>-: entomostratams 



In.<iect fragments 



Ckironomui lar\-a: entumostra- 



cans. .\mpktpod 

 Fish, inchuling 2 Rhinuhthyi 



atronatus 

 Ins«vts; amphino"! 

 Snvill minnow. Hytiorhynchus no- 



Maker ("id. p. 17S) examiiud five of these fish from I-"rederick Creek, a 

 tributary of Oneida I^kc at Constantia. These were all near ten inches King and 

 harl eaten collectively crawfish. Cainharus barloni rnbustus. and one frog. 



Kendal! ( "17. p. J" I says this s|>ecies f ceils mainly on other fishes, btit also on 

 frogs am! other amphibians an«l in fact on any living thing moving in the water 

 within reach, which it can capture an<I handle: that when ravenous, this pickerel 

 diK's not hesitate to seize a fish at least half as large as itself or so large tliat 



