Kidney 

 Magn. 

 Salinity 



Biochemistry 

 Experimental analysis 

 Ovarian cycles 



Fecundity 



Infraspecific variation 

 Geographic variation 

 Androgens 

 Biochemistry 



Descriptive evolution 

 Effect on fish 

 Skin 



Axial skeletal muscles 

 Adrenal cortex 

 Testicular cycles 



Sexual dimorphism 



Meristics 

 General embryology 



Temperature 



Experimental analys 



Artificial fertilization 

 Fecundity 

 Larva 



Change with age 

 Temperature 

 Rate of growth 



806404 

 806404 

 808471 

 808472 



Fry 



Experi 

 Young 



ntal analysis 



Geographic variation 



Populations 

 Density dependent regulation 

 Weight length relationship 

 Energy conversion efficiency 

 Adlibitum food capacity 

 Experimental analysis 

 Temperature 



Experimental analysis 

 Fat requirements 



Experimental analysis 

 (nfraspecific variation 

 Fecundity 



Egg size 

 Scale age study 

 Ecotypes 

 Migrations 



Experimental analysis 

 Distribution within habitat 

 Fry 



Juvenile 

 Orcadian rhythms 

 Seasonal changes 

 Vertical distribution 

 Orcadian rhythms 

 Temperature 

 Effect on fish 



Description and occurrence 

 Body content 

 General embryology 



Larva 



Rate of growth 

 Energy conversion efficiency 

 Captive vs natural fishes 

 Light 



Effect on fish 



Vertical distribution 

 Water movement 

 Effect on fish 



Home range and homing 

 Salinity 



Acclimation 

 Juvenile 



Change with age 

 Substratum 

 Effect on fish 



Description and occurrence 



Egg 



Larva 



sus^s: 



806077 



804542 

 804542 

 804542 

 808471 

 808472 



808747 

 807260 

 807908 



807260 

 805677 

 806105 

 807257 

 808526 

 808659 

 807355 

 803864 

 807731 

 807759 



807916 

 805085 

 807520 



807498 

 807498 

 807115 



807378 

 807916 

 807008 



807355 

 807257 

 804962 



807260 

 807498 

 807260 

 808925 

 807260 

 807498 

 807498 

 808925 



Nematoda 



Parasite life history 

 Experimental analysis 

 Petromyzontomorpha 

 As predator 

 Migrations 

 Entosphenus tridentatus 

 As predator 

 Effect on fish 

 Distribution 

 Young 



Seasonal changes 

 Seasonal changes 

 Populations 

 Identification 

 Distribution 

 Migrations 

 Scale age study 

 Juvenile 



Acclimation 

 Salinity 

 Migrations 

 Population changes 



Population density 



Populations 

 Density dependent regulation 

 Interspecific competition 



Population bioenergetics 



Productivity 



Seasonal changes 

 Availability and use of food 



Plankton 

 Food chains 



Orcadian rhythms 

 Vertical migrations 

 Feeding 

 Reproductive season 



Infraspecific variation 

 Rheotaxis 

 Populations 



Experimental analysis 

 Hydrodynamics 



Fishing gear selectivity 

 Netting 

 Feeding 

 Fry 



Effects of experience 

 Gut contents 

 Fry 

 Juvenile 



807260 

 807260 

 807260 



Change with age 



Orcadian rhythms 

 Habitat preference 

 Juvenile 



Experimental analysis 

 Light 



Captive vs natural fishes 

 Salinity- 

 Experimental analysis 

 Avoidance responses 



Gillnetting 

 Aggressive behavior 

 Testis 



Experimental analysis 

 Migrations 



Lipid and fatty acid content 



Biochemistry 

 Adenohypophysis 



Seasonal changes 

 Androgens 



Biochemistry 

 Fry 



Juvenile 



808747 

 807258 

 807258 



808376 

 808376 

 805351 

 803624 

 806617 

 806647 

 807261 

 807378 

 807759 

 806851 

 807117 

 807256 

 807261 



807759 

 806105 

 805085 



807800 

 805517 



806617 



807429 



803864 



808911 

 807484 

 806851 

 807256 

 808910 

 805432 



808376 

 808925 

 808376 

 807429 



807414 

 803624 

 804671 

 804926 

 806108 

 806993 

 807420 

 808706 

 808907 



807762 



807456 



806077 



807355 



Salmonidae 

 (continued) 



Oncorhynchus 

 nerka 



423 



