Growth 



Thyroid ho 



Experimental analysis 

 Rate of growth 

 Weight length relationship 

 Convergence and parallelisn 

 Homology 



Homologous variation 

 Temperature 



Effect on fish 

 Thyroid 

 Digenea 



Distribution of infection 

 Cestoda 



Distribution of infection 

 Nematoda 



Distribution of infection 

 Acanthocephala 



Distribution of infection 



Parasite systematica 

 Distribution 



Populations 



Protein specificity 



Biochemical blood constiti 

 Population density 



Reproduc 



Feeding 



Fry 



Migrations 



Host and parasite phyloger 



Fishing mortality 



Effect on fish 

 Selection effects 

 Dams and barriers 



Effect on fish 



Habitat destruction 

 Fish conservation 

 Endangered species 

 Fish cultural methodology 



Hormone induced reproduction 

 History of ichthyology 



Fish culture 

 Acipenser 

 Key 



General structure and behavic 

 Jaws 



Descriptive evolution 

 Adenohypophysis 

 Migrations 

 Histology 



Descriptive evolution 

 Bile 



Biochemistry 



Descriptive evolution 

 Ovarian cycles 

 Testicular cycles 

 Digenea 



Parasite systematks 

 Home range and homing 

 Migrations 

 Optomotor response 



Young 

 Protozoan diseases 

 Ultraviolet light 



Prophylactic treatment 

 Experimental analysis 

 Acipenser baeri 

 Gills 



Histology 

 Function 

 Serum proteins 

 Polymorphism 

 Biochemistry 

 Populations 

 Fish cultural methodology 

 Acipenser eruciferus 

 Synonymy 

 Cretaceous 

 Acipenser fuhescens 

 Identifying characters 

 Coloration 

 Pigments 



Biochemistry 



Enzymology 

 Melanin 



Ultrastructure 



809073 

 806635 

 806635 

 807640 



807640 



806903 



806903 

 805861 

 804352 

 806282 

 806635 

 808135 



806058 

 807660 

 808464 

 806635 



805559 

 806635 

 807135 

 806903 



808145 

 808432 

 804818 

 805559 

 807045 

 808432 

 808425 



807676 



805484 

 807691 

 807691 



806417 

 807691 

 807691 



Pigment chemistry 

 Melanin 



Developmental analysis 

 Population changes 



Population density 



Gut contents 

 Acipenser gueldenstaedti 

 Subspecies 



Gross external anatomy 

 Ion and water relationships 

 Young 



Experimental analysis 

 Brain 



Amino acids 

 Biochemistry 



Change with age 

 Peptide 



Nitrogenous content 

 Biochemistry 

 Magnetism sensitivity 

 Neurohypophysis 

 Ultrastructure 



Function 

 Neurosecretion in brain 

 Ultrastructure 

 Innervation 

 Migrations 

 Function 

 Reproduction 

 Function 

 Adenohypophysis 

 Migrations 

 Function 

 Reproduction 

 Function 

 Pituitary blood supply 

 Histology 



Descriptive evolution 

 Thyroid 

 Migrations 

 Function 

 Reproduction 

 Function 

 Thyroid hormone 

 Effect on fish 



Oxygen consumption 



Hemoglobin 



Biochemistry 

 Ovarian cycles 



Histology 

 Testicular cycles 



Histology 

 General embryology 

 Egg 



Pheromones 



Immunological analysis 

 Cleavage and epiboly 

 Temperature 



Experimental analysis 

 Larva 



Change with age 

 Rate of growth 



Fry 

 Seasonal faces 

 Ovarian cycles 

 Gonadotroph 

 Gonadotropin 

 Reservoirs 



Habitat preference 



Introduction for fishery 

 Temperature 

 Effect on fish 

 Developing egg 

 Salinity 



Effect on fish 

 Neurohypophysis 



Thyroid 



Distribution 

 Population density 



Availability and use of food 

 Hydrostatics 



Change with age 

 Swimming speed 



806047 

 806650 

 807557 

 808496 



Acipenseromorpha 

 (continued 



805022 



806292 

 806292 



806292 

 806292 



807703 

 807703 

 807703 



804600 



807727 



803817 



806675 

 808425 

 808342 



804603 

 806402 

 804603 

 806402 

 804687 

 807222 

 807658 

 807671 



197 



