Acipenseromorpha 

 (continued) 



Feeding 



Circadian rhythms 

 Change with age 

 Seasonal changes 

 Habitat preference 

 Migrations 



Young 8 

 Fishways 



Dams and barriers 

 Artificial incubation 

 Artificial rearing 

 Archeological data 



Life span 



Acipenser gueldenstaedti X 

 Acipenser ruthenus X 

 Natural hybridization 

 Artificial hybridization 

 Introduction for fishery 

 Huso huso X 



Artificial hybridization 

 Acipenser medirostris 

 Subspecies 

 Meristics 

 Skeleton 

 Function 



Vitamin requirements 

 Mineral requirements 

 Thalamus 

 Anatomy 



Ultras tructure 

 Descriptive evolution 

 Acipenser nudiventris 

 General embryology 

 Infraspecific variation 

 Organogenesis 

 Distribution 

 Acipenser oxyrhynchus 

 Armor 

 Histology 

 Development 

 Gill arches 

 Anatomy 

 Distribution 

 Acipenser ruthenus 



General structure and behavior 

 Oculomotor nerve 

 Ciliary ganglion 

 Anatomy 

 Histology 

 Function 

 Autonomic nervous 

 Ciliary ganglion 

 Anatomy 

 Histology 

 Function 

 Hemoglobin 

 Biochemistry 

 Change with age 

 Serum proteins 



Immunological analysis 

 Biochemistry 

 Gut 



Anatomy 

 Oogenesis 

 Chorion 

 Histology 

 Development 



system 



Habitat preference 



Introduction for fishery 

 Distribution 

 Population density 

 Availability and use of food 

 Feeding 



Circadian rhythms 

 Change with age 

 Seasonal changes 

 Gut contents 



Seasonal changes 

 Change with age 



Habitat preference 



Artificial incubation 



Archeological data 

 Life span 

 Maximum size 

 Acipenser ruthenus X 



Acipenser gueldenstaedti X 

 Natural hybridization 

 Artificial hybridization 

 Introduction for fishery 



807671 

 807671 

 807222 

 806338 

 807727 

 807658 



807727 

 808425 

 808342 



803943 

 803943 



804930 

 808425 

 808425 



808135 

 808135 



807176 

 807176 



805151 

 805151 



806311 

 806569 



807214 

 807214 



808461 

 804687 

 807222 

 807671 



807671 

 807671 



808431 

 808444 

 807222 

 808425 



804930 

 808425 

 808425 



Huso huso X 



Artificial hybridization 

 Introduction for fishery 



Fish culture 

 Fish cultural methodology 

 Acipenser stellatus 

 Oxygen consumption 

 Brain 



Amino acids 

 Biochemistry 



Change with age 

 Neurohypophysis 

 Ultrastructure 



Function 



Neurosecretion \\ 



Ultrastructure 



Innervation 



Pituitary blood supply 



Histology 



Descriptive evolution 

 Hemoglobin 



Biochemistry 

 General embryology 

 Infraspecific variation 

 Organogenesis 

 Egg 



Fertilization 



Developmental analysis 



brain 



Phi 



Immunological analysis 

 Rate of growth 

 Allometry 



Body form 

 Distribution 



Reduction of range by man 

 Population density 

 Hydrostatics 

 Hydrodynamics 



Change with age 

 Migrations 



Young 

 History of fisheries 

 Artificial incubation 

 Archeological data 



Life span 



Population changes 

 Acipenser sturio 



General structure and behavior 

 Armored scales 



Passive electrical properties 

 Pectoral girdle 



Anatomy 

 Spiracles 



Anatomy 

 Hirudinea 



Parasite systematics 

 Host specificity 

 Distribution 



Reduction of range by man 



Acipenser transmontanus 

 Thalamus 

 Anatomy 



Ultrastructure 

 Descriptive evolution 

 Choroid and tapetum 

 Histology 

 Function 



Descriptive evolution 

 Corpuscles of Stannius 

 Anatomy 

 Histology 

 Ultrastructure 

 Function 

 Juxtaglomerular apparatus 

 Histology 

 Function 

 Maximum size 

 History of ichthyology 



Lewis and Clark Expedition 

 Huso huso 

 Oogenesis 



General embryology 

 Infraspecific variation 

 Organogenesis 

 Chorion 



804764 

 804600 



807979 

 807706 

 807706 

 807658 

 807979 



807979 



807658 

 807706 

 808425 



803943 

 803943 

 807706 



807942 



804114 



808955 



808955 



804221 

 805977 

 807097 

 807180 

 808097 

 808080 

 808132 

 806415 



805151 



805151 



806243 

 806243 



805149 

 805149 

 805149 



806509 

 804942 



198 



Histology 

 Development 



