Esocidae 

 (continued) 



Fecundity 

 Infraspecific 



Change with age 

 Density dependent regulal 

 Geographic variation 

 General embryology 



Acclimation 

 Temperature 

 Egg 



Infrastructure 

 Sperm 

 Cytology 

 Biochemistry 

 Cytology 

 Abnormality 

 Developing egg 



Lethal environmental limits 

 Fish control agents 

 Embryo behavior 



Hatching 

 Hatching 

 Temperature 



Experimental analysis 

 Light 



Experimental analysis 

 Hatching glands 

 Change with age 

 Histology 

 Larva 



Change with age 

 Rate of growth 



Infraspecific 



Populations 

 Geographic variation 

 Regeneration 

 Fins 



Experimental analysis 

 Change with age 

 Sex ratio 



Change with age 

 Fish communities 



Lentic waters 

 Reservoirs 



Habitat preference 



Introduction for fishery 

 Astatic waters 

 Productivity 

 Distribution within habitat 

 Water movement 

 Geographic variation 

 Temperature 

 Effect on fish 



General embryology 

 Lethal environmental limits 

 Fish control agents 

 Light 



Habitat preference 

 Change with age 

 Water pressure 

 Effect on fish 

 Behavior 

 Oxygen 



Effect on fish 

 Developing egg 

 Embryo physiology 

 Rate of growth 

 Energy conversion efficiency 

 Lethal environmental limits 



Habitat preference 

 Trapping 

 Ciliata 



As parasite 

 Host specificity 



Host parasite interactions 

 Monogenea 



Distribution of infection 



Host specificity 

 Digenea 



Distribution of infection 

 Incidence of infection 

 Seasonal changes 



808025 



805970 

 805970 

 804775 

 807651 

 808025 



806310 



803736 



804157 



807880 



808604 

 807651 



807651 

 807651 



807651 



808025 

 805970 

 808025 

 808233 

 808352 

 808801 



809038 



808221 

 808221 

 808801 

 808802 



808215 



808461 

 807200 



806310 

 806310 

 808604 



807758 

 805894 

 809038 

 809038 

 807758 

 809038 



807895 



804123 



805419 



806667 

 806904 

 809002 

 804123 



806904 



Intensity of infection 



Host specificity 



Host parasite interactions 



Host specificity 

 Parasite systematics 



Cestoda 



Distribution of infection 



Incidence of infection 



Seasonal changes 



Intensity of infection 



Parasite life history 

 Parasite life history 



Host specificity 

 Host specificity 

 Host parasite interactions 

 Nematoda 



Distribution of infection 

 Incidence of infection 



Seasonal changes 



Intensity of infection 



Host specificity 

 Acanthocephala 



Distribution of infection 



Incidence of infection 



Seasonal changes 



Intensity of infection 



Host specificity 

 Parasite systematics 



Hirudinea 



Parasite systematics 

 Host specificity 



Distribution 



Population structure 

 Population changes 



Population density 



Age class distribution 

 Availability and use of food 



Orcadian rhythms 



Feeding 

 Activity patterns 



Orcadian rhythms 

 Reproductive season 

 Hydrodynamics 

 Swimming speed 

 Feeding 



Change with age 



Sensory deprivation 

 Experimental analysis 

 Gut contents 



Seasonal changes 

 Change with age 

 Habitat preference 



Reproduction 

 Temperature 



Habitat preference 

 Sensory deprivation 

 Lateral line 

 Eye 

 Optomotor response 

 Neoplastic diseases 

 Lymphosarcoma 

 Effect on fish 

 Serum proteins 

 Infectious and parasitic disorders 



806657 

 806658 

 804123 



806426 

 806261 

 806417 

 806939 



806904 



806657 

 806658 

 806657 

 806658 

 806256 



803978 

 804123 

 806261 



806904 

 809003 

 806657 

 806658 

 806657 

 806658 

 804123 



806904 



806657 

 806658 

 805898 

 806657 

 806658 

 804123 

 806261 



804221 

 804407 

 805478 

 806282 

 806415 

 807198 

 807358 

 807435 

 808025 

 808025 

 807008 

 808464 



807222 

 808215 

 808464 

 808801 

 806131 

 807718 



807554 

 806415 

 807979 



805639 

 804897 

 805022 

 806512 

 807718 

 804524 

 803935 

 804216 

 806659 

 807222 

 808025 



804992 

 804992 

 806339 



406 



