Toxaphen 



Outdoor census and sampling 

 Effect on fish 

 Lepomis gibbosus X 



Lepomis macrochirus X 

 Heart 



Development 

 General embryology 

 Artificial hybridization 

 Hybrid compatibility 

 Hatching 



General embryology 

 Lepomis gulosus 

 Gill arch teeth 

 Anatomy 

 Lepomis humilis 



Reduction of range by man 

 Habitat preference 

 Lepomis macrochirus 

 Scalation 



Development 

 Heart 



Development 

 Immunological reactions 



Biochemical blood constituents 

 Digenea 

 Liver 

 Cestoda 



Abnormality 

 Kidney . 

 Anatomy 

 Histology 

 Glomerulus 



Ultrastructure 

 Proximal and distal tubules 



Ultrastructure 

 Fecundity 



General embryology 

 Larva 



Change with age 

 Rate of growth 

 Fry 

 Radioactivity 



Experimental analysis 

 Maintenance energy requirements 

 Nitrogen metabolism 

 Experimental analysis 

 Change with age 

 Starvation 



Rate of growth 

 Effect on fish 

 Distribution within habitat 



Larva 

 Vertical distribution 

 Larva 



Circadian rhythms 

 Temperature 

 Effect on fish 



Oxygen consumption 



Nitrogen metabolism 



Heart 



Breathing 



Fish control agents 



Anesthetics 



Anesthetics 



Lethal environmental limits 

 Radioactivity 

 Effect on fish 



Biochemical blood constituents 

 Ovary 

 Testis 

 Hydrogen ion concentration 

 Effect on fish 



Description and occurrence 

 Lethal environmental limits 

 Productivity 

 Algae 



As food for fish 



Experimental analysis 

 Monogenea 



Intensity of infection 

 Ultrastructure 

 Acanthocephala 



Incidence of infection 

 Host parasite interactions 

 Copepoda 



As food for fish 

 Lethal environmental limits 

 Fish control agents 

 Change with age 

 Anesthetics 



Change with age 

 Population structure 



807867 

 807867 

 807867 



807268 

 807268 



804412 

 807867 



809064 

 804762 

 807867 



808139 

 804412 

 803711 



803536 

 808139 



803970 



807454 

 803970 

 803970 



Population changes 



Centrarchidae 



Impoundment manipulation 

 Population density 



Z™ <«»«"„ed) 



Interspecific competition 



806169 



Population bioenergetics 





Maintenance energy requirements 

 Protein content 



Lepomis gulosus 



807454 . S 



Food chains 



to 



Insecticide pollutants 



Lepomis macrochirus 



Effect on fish 



808927 



Circadian rhythms 





Fry 



803711 



Reproductive season 



803711 



Habitat preference 





Fry 



803711 



Hydrogen ion concentration 





Experimental analysis 



808170 



Aggregating behavior 





Fry 



803711 



Mating 



804762 



Nest construction 



805140 



Substratum 





Experimental analysis 



804762 



Parental care of young 



804762 



Electric brain stimulation 





Feeding 



804337 



Self protection 



804337 



Nest construction 



804337 



Neoplastic diseases 





Epidermal hyperplasia 



806198 



Virus diseases 





Epitheliocystis 





Host parasite interactions 





Ultrastructure 



808898 



Experimental analysis 



808898 



Impoundment manipulation 



803985 



Drawdown 





Effect on fish 





Population density 



807807 



Organic pollutants 





Fluorescent dyes 





Lethal environmental limits 



808534 



Insecticide pollutants 





Parathion 





Effect on fish 



806861 



Herbicide pollutants 





Lethal environmental limits 





Experimental analysis 



804618 



Dichlobenil 





Effect on fish 





Lethal environmental limits 



807831 



2,4-D 





Effect on fish 





Intermediary metabolism 



804795 



Fish cultural methodology 





Pondfish productivity 



807941 



Artificial breeding environments 





Effect on fish 



805140 



Artificial incubation 





Malachite green 





Prophylactic treatment 





Lethal environmental limits 



808560 



Artificial rearing environments 





Substratum 





Experimental analysis 



806880 



Artificial population manipulation 





Reservoirs 



806162 



Antimycin-A 





Fish control agents 





Experimental analysis 



808604 



Fish control agents 





Antimycin-A 





Lethal environmental limits 





Experimental analysis 



808534 



Anesthetics 





Methylpentynol 





Lethal environmental limits 





Experimental analysis 



808608 



MS-222 





Effect on fish 





Nitrogen metabolism 



805612 



Quinaldine 





Effect on fish 





Developing egg 



808600 



Lethal environmental limits 



808601 



Tissue culture techniques 





•Identification 





Immunological analysis 



806427 



epomis macrochirus X 





Lepomis gibbosus X 





Heart 





Development 



807867 



General embryology 



807867 



Artificial hybridization 



807867 



237 



