Appendix Table 4. — Species composition of 56 trawl catches by RV Kaho in Lake Erie during Cruise 2, May 1962. 



Species 



Total catch 



Occurrence in total catch 



Average catch rate Effective catch 

 per 1/2 hr effort rate per 1/2 hr 

 effort 



Yellow perch { Perca t lavescens ) 

 Rainbow smelt [Osmerus mordax) 

 Freshwater drum (Aplodinotus grunnient) 

 White bass (Roccus chrysops ) 

 Spottail shiner ( Notropis hudsonius ) 

 White sucker ( Catostomus cominersoni ) 

 Trout-perch ( Percopsis omiscomaycus ) 

 Channel catfish ( Ictalurus punctatus ) 

 Lake whitefish [ Coregonus clupeaformis) 

 Burbot ( Lota lota ) 



Emerald shiner ( Notropis atherinoides ) 

 Carp ( Cyprinus carpio ) 



Walleye 



( Stizostedion vitreum vitreum ) 



Gizzard shad ( Dorosoma cepedianum ) 

 Black bullhead ( Ictalurus melas ) 

 Smallmouth bass ( Micropterus dolomieui ) 

 Sea lamprey ( Petromyzon marinus ) 



1/ T = Trace, less than 0.1. 



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