Captive vs natural Fishes 



Young 

 Scale age study 



Infraspecific variation 

 Skeleton age study 



Pectoral fins 



Oncorhynchus kisutch 



Pesticide content 



DDT 



Experimental analysis 

 Protein synthesis 



Experimental analysis 

 Ion and water relationships 



Kidn 



Experimental analysis 

 Migrations 



Experimental analysis 

 Skin 



Fluorescence 

 Biochemistry 

 Albinism 

 Skeleton 



Abnormality 

 Ascorbic acid 



Experimental analysis 

 Vertebrae 



Vitamin requirements 

 Abnormality 

 Experimental analysis 

 Nose 



Migrations 



Experimental analysis 



Nervous electrophysiology 



Growth hormone 

 Protein specificity 

 Experimental analysis 

 Descriptive evolution 

 Calcitonin 

 Ultrastructure 



Descriptive evolution 

 Gills 



ATP ase content and functio 

 listry 



ustry 



Mineral 

 Bioche 

 Intestine 

 Cell division 

 Experimental an 

 Kidney 



Magnesium 

 Salinity 



Biochemistry 

 Experimental 

 Ovarian cycles 



Fecundity 

 Testicular cycles 



Rate of growth 

 Juvenile 



Seasonal changes 

 Interspecific co 

 Experimental 

 Feeding 

 Wound healing 



petit 



Vitamin requirements 



Experimental analysis 

 Ascorbic acid 



Experimental analysis 

 Vitamin requirements 

 Ascorbic acid 



Experimental analysis 

 Folic acid 



Experimental analysis 

 Mineral requirements 

 Effect on fish 



Ion and water relationships 

 Energy conversion efficiency 

 Sex ratio 



Seasonal changes 

 Change with age 

 Artificial selection 

 Rate of growth 

 Vertical distribution 

 Circadian rhythms 

 Temperature 

 Effect on fish 

 Cell division 

 Intestine 

 Energy 



808790 

 807416 



807217 

 803539 



804604 



804604 



807476 



807477 

 807476 



807477 



806087 

 806087 



806404 

 806404 

 808472 



808982 



808908 

 808472 



807877 

 807344 



807086 

 807086 

 806637 

 807084 



Radioactivity 



Effect on fish 



Intestine 



Water movement 



Effect on fish 



Fry 



Feeding 

 Salinity 



Effect on fish 

 Migrations 



Memory mechanisms 

 Inorganics in water 

 Effect on fish 

 Acclimation 

 Salinity 

 Oxygen 



Effect on fish 

 Developing egg 

 Dominance social hierarchy 

 Bacteria 

 Gut 



As food for fish 



As 



sal 



fish 



Endotoxin 

 Effect or 

 Digenea 



Host specificity 



Experimental analysis 

 Acanthocephala 



Incidence of infection 

 Experimental analysis 

 Parasite life history 

 Distribution 

 Young 



Seasonal changes 

 Populations 



Fishing mortality 

 Natural mortality 

 Population changes 

 Population density 

 Rate of growth 



Experimental analysis 

 Interspecific competition 

 Experimental analysis 

 Interspecific competition 

 Feeding 

 Juvenile 

 Circadian rhythms 

 Activity patterns 

 Feeding 



Dominance social hier 

 Burrowing underwater 



Larva 

 Feeding 



Fry 

 Gut contents 



lile 



Change with ag( 



Seasonal change 

 Aggressive behavic 



Fry 



Experimental 

 Territoriality 



Larva 

 Migrations 



Juvenile 

 Neoplastic diseases 

 Reticulosarcoma 

 Hepatoma 

 Aflatoxin 



Experimental analysis 

 Gas bubble disease 

 Experimental analysis 

 Effect on fish 



Experimental analysis 

 Stress reactions 



Adrenal cortex 

 Experimental an 

 Furunculosis disease 

 Oxytetracycline 

 Treatment for d 



Experimental 

 Prophylactic 

 Experimei 

 Col 



ilysis 



lysis 

 alysis 



Oxytetracycline 



Prophylactic treatment 

 Experimental analysis 



Salmonidae 

 807086 (continued) 



806024 Oncorhynchus 

 kisutch 



807858 

 807838 

 806025 



806032 



806032 



807484 

 808910 



808526 



807342 

 806021 



807476 

 807477 

 808526 



421 



