Catostomidae 

 'continued! 



S07964 

 807425 

 807351 

 808604 





! : i : : ; 



3Li:-i":_:::- ^::-- :_^zm\ 



808496 



Vertical distribution 



■ . _; " 





808497 



Hyirzrer ::- ::-;::;-::::- 





2:-^--r: " zr :. :::_— ;r_: 



806373 





■ -.:■--; 



'-- ztr.-.t :' -.:..- - 





5;ii-:-i . i-jrs 



806850 



H.-f: :r; :. - -.-__: :r> 



807397 



Host parasite interactions 



806850 



N;-i::ci 







806850 





806850 





806850 



Surface volume relationship 



805878 



_'":-.i; "/- '-"-,": — = 



807554 



r^r: ; :- -i:,-i :"..->- 



806115 



--- li: ?-. '.-.':; 



804103 





807775 



Fishing gear selectivity 





Gulnetting 









. 



807516 



H^r ^: r _: - 









C . " . . - . .---.: - 



■ ■-■- 



iB&rtMw bdq aanshk fisorden 



. -..- 



Heavy metal pollutants 





Effect on fish 





Er :::_:> 



807869 



Bacterial diseases 



• "■-- 



Feeding captive fish 









Plankton 



807850 



Scale age study 





Experimental analysis 



807376 



~j: "-." : — _•" ' :■ £T - 





Digenca 





/:::;-:: ""' -:';;:::- 





Intensity of infectkn 



804824 



Parasite life history 



■ :-■:- 



lestoda 





Incidence of infection 





Intensity of infection 



804824 



Parasite life history 



804824 



'•-.-'-- .:'.-■-- 





'.--.zi'-.t ::" —:?:■::- 





Host parasite interactions 



804824 



Hirudinea 



Incidence of infection 



Hosi parasite interactions 

 Catostomus laripumis 

 Coarse fish control 

 Catostomus macrocheilus 

 Neoplastic diseases 



Fibrosarcoma 

 Caiostomus platyrbyncbus 

 Synonymy 

 Scales 



Seasonal changes 

 Ovarian cycles 

 Fecundity 



Seasonal sexual coloration 

 Nuptial Tubercles 

 Rate of growth 

 Natural hybridization 



Biochemical blood constituents 

 Population genetics 

 Gut contents 



Change with age 

 Habitat pollution 

 Effect on fish 



Infectious and parasitic disorders 

 History of ichthyology 



Lewis and Clark Expedition 

 Cawsiomus plebfus 

 Serum esterase 

 Polymorphism 



Population genetics 

 Introgressive hybridization 

 Biochemistry 

 Hemoglobin 

 Catostomus taboensis 

 Vertical distribution 

 Orcadian rhythms 

 Seasonal abundance 



Habitat destruction 



Cyclepius elongatus 



Reduction of range by man 

 Erimyzon obJongus 



Distribution 

 Erimyzon sucetta 



Distribution 

 Erimyzon tenuis 

 Population changes 

 Reproduction 



Fast flowing streams 

 HypenieJium nigricans 



Ger.^raj structure and behavior 

 Monogenea 



Parasite systematics 



Reduction of range by man 

 Habitat preference 

 Neoplastic diseases 



Epithelioma 

 Iciiobus bubalus 

 Meristics 

 Morphometries 

 Erythrocytes 



Cytology 

 Leucocytes 



Cytology 



Development 



H : — L - - 



Rate of growth 

 Vertical distribution 

 Reservoirs 



Seasonal changes 

 Radioactivity 



:n fish 



Digenea 



Incidence of infection 

 Host parasite interactions 

 Cestoda 



Incidence of infection 

 Intensity of infection 

 Host parasite interactions 

 0.::c-:r zzt.s's. i- 1 -i— r" -<l 

 Experimental analysis 

 fedobus bubalus X 

 Iciiobus cyprineUus X 

 Meristics 

 Morphometries 

 Natural hybridization 

 Iciiobus cyprineUus 

 Meristics 

 Morphometries 



804824 

 809099 



806509 



807795 

 807795 

 807795 

 807795 

 807795 

 807795 



809022 

 807795 



808737 



808737 



808138 

 803895 

 807835 

 807835 



806674 



803548 

 804492 

 807268 

 807268 



806074 



807529 

 807529 

 803822 



806165 

 806159 



804438 



804438 

 804438 



807582 

 807582 

 807582 



346 



