Urophysis 



Seasonal changes 

 Histology 

 Development 

 Adenohypophysis 

 Seasonal changes 

 Histology 

 GUIs 



Anatomy 

 Function 

 Hemoglobin 

 Polymorphism 

 Biochemistry 

 Natural hybridization 

 Pleistocene 

 Paleoecology 

 Astatic waters 

 Copepoda 



Parasite systematics 

 Expansion of range by man 

 Ictalurus balsanus 



Relationships 

 Ictalurus catus 

 Pesticide content 

 TDE 



Population changes 

 Biochemical blood constituents 



Immunological analysis 

 Temperature 

 Effect on fish 



Biochemical blood constituents 

 Immunological analysis 

 Lethal environmental limits 

 Fish control agents 

 Experimental analysis 

 Fish cultural methodology 

 Ictalurus furcatus 

 Synonymy 

 Gut contents 



Change with age 

 Habitat preference 

 Reservoirs 



Change with age 

 Treatment for disease 

 Oxy tetracycline 



Intermediary metabolism 

 Body content 

 Bacterial diseases 

 Oxytetracycline 



Treatment for disease 

 Experimental analysis 

 Fish cultural methodology 

 History of ichthyology 



Lewis and Clark Expedition 

 Ictalurus melas 

 Synonymy 

 Popular names 

 Pectoral fins 



Defensive spines 

 Function 



Experimental analysis 

 Sexually dimorphic size 

 Experimental analysis 

 Rate of growth 



Infraspecific variation 

 Experimental analysis 

 Vertical distribution 

 Reservoirs 



Seasonal changes 

 Temperature 

 Effect on fish 



Fish control agents 

 Digenea 



Intensity of infection 



Change with age 

 Parasite life history 

 Incidence of infection 

 Lethal environmental limits 

 Fish control agents 

 Change with age 

 Distribution 



Reduction of range by man 

 Rejection as food 

 Habitat preference 



Introduction for fishery 



Oxygen deficiencies in habitat 

 Collecting fish 



Experimental analysis 

 Fish cultural methodology 



806551 

 806367 

 804482 

 804376 

 804376 



808729 

 808710 



806509 

 5085 - 



807779 



807779 



806165 



808604 



807779 

 809026 



808604 

 806282 

 806569 

 807268 

 806912 

 804098 

 804103 

 807268 

 806844 



Artificial feeds and feeding 

 Rate of growth 



Experimental analysis 

 Ictalurus na talis 

 Mucus 



Recognition of individual fish 

 Function 



Chemical senses 



Function 

 Visual senses 

 Function 

 Nose 



Anatomy 



Function 

 Recognition of individual fish 

 Experimental analysis 

 Instrumental conditioning 

 Eye 



Territoriality 



Experimental analysis 

 Dominance social hierarchy 

 Experimental analysis 

 Kidney 

 Anatomy 

 Histology- 

 Rate of growth 

 Hydrogen ion concentration 



Effect on fish 

 Acanthocephala 



Incidence of infection 

 Intensity of infection 

 Reduction of range by man 

 Habitat preference 



Hydrogen ion concentration 

 Experimental analysis 

 Group behavior 

 Chemical senses 



Experimental analysis 

 Recognition of individual fish 



Ictaluridae 

 (continued) 



No 



nalysis 



Experimental 

 CNS integration 

 Group behavior 



Descriptive evolution 

 Reproduction 



Descriptive evolution 

 Insecticide resistance 

 Ictalurus nebulosus 

 Pesticide content 

 Parathion 



Blood and lymph 



Experimental analysis 

 TDE 



Population changes 

 Gill arches 

 Anatomy 

 Axial skeletal muscles 

 Enzymology 

 Biochemistry 

 Telencephalon 



Anatomy 

 Metencephalon 

 Histology 

 Function 

 Oculomotor nerve 

 Ciliary ganglion 

 Anatomy 

 Histology 

 Function 

 Autonomic nervous system 

 Ciliary ganglion 

 Anatomy 

 Histology 

 Function 

 Audiogram 

 Electrical sensitivity 



Metencephalon 

 Electroreception organs 

 Histology 

 Function 



Experimental analysis 

 Gills 



Surface volume relationship 

 Change with age 

 Oxygen transport 

 Temperature 

 Experimental 

 Heart 



Experimental ; 

 Adrenaline 



Psychedelic drug treatment 

 Anesthetics 



807317 

 807317 



806984 

 806984 



806984 

 806984 



809064 

 803822 



806642 

 803895 

 804103 



808170 



807317 

 807317 



807317 



807317 

 806176 



806204 

 808729 

 807964 



804166 



804562 



nalysis 

 nalysis 



807214 

 807214 

 804866 



805058 

 805058 



807351 

 803629 



806847 

 806847 

 806847 



379 



