Heteropneustidae Lateral line pores and canals 





Nematoda 



(continued) Abnormality 



806140 



Incidence of infection 



Neuroendocrine system 



804950 



Parasite systematics 



N euroh ypophysis 





Seasonal abundance 



Anatomy 





Mating 



Hypophthalmidae Histology 



805417 



Insecticide pollutants 



Ovarian cycles 





Heptachlor 



Experimental analysis 



804350 



Effect on fish 



Neuroendocrine feedback mechanisms 





Gills 



Ictaluridae Reserpine 





Nicotine 



Prolactin 





Effect on fish 



Experimental analysis 



806288 



Gills 



Adenohypophysis 





Hormone induced reproduction 



Anatomy 





Fish control agents 



Histology 



805417 



DDVP 



Ovarian cycles 





Effect on fish 



Experimental analysis 



804350 



Lethal environmental limits 



Thiourea 





Phosphamidon 



Experimental analysis 





Effect on fish 



Histology 



806769 



Lethal environmental limits 



Gonadotroph 





Hypophthalmidae 



Experimental analysis 



805704 



Hypophthalmus edentaws 



Thyroid 





Relationships 



Neuroendocrine feedback mechanisms 





Metis tics 



Experimental analysis 



806769 



Caudal skeleton 



Adrenal cortex 





Caudal skeleton 



Luteotropic hormone 





Anatomy 



Experimental analysis 



806300 



Descriptive evolution 



In vitro techniques 



806300 



Ictaluridae 



Erythrocytes 



803756 



Relationships 



Change with age 



805147 



Redefinition 



Thrombocytes 





Key 



Anatomy 





General structure and behavior 



Function 



804257 





Leucocytes 



803756 



Meristics 



Proximal and distal tubules 





Caudal skeleton 



Experimental analysis 





Caudal skeleton 



In vitro techniques 



806955 



Anatomy 



Oogenesis 





Descriptive evolution 



Iron 





Lateral line pores and canals 



Histology 





Anatomy 



Biochemistry 

 Ovulation 



806922 



Fecundity 



Rate of growth 



Luteotropic hormone 





Weight length relationship 



Experimental analysis 

 Cortical hormones 



806300 



Digenea 



Incidence of infection 



Experimental analysis 

 Estrogens 



806300 



Cestoda 



Incidence of infection 



Effect on fish 





Distribution 



Adenohypophysis 



805706 





Seminal vesicles 



805706 





Testis 







Histology 



805447 





Estrogens 







Experimental analysis 



805448 





Radioactivity 





Population changes 



Experimental analysis 



805448 



Population density 



Seminal vesicles 





Age class distribution 



Adenohypophysis 





Reproductive season 



Experimental analysis 



806288 





Growth hormone 





Gut contents 



Experimental analysis 

 Prolactin 



806288 

 809072 



Habitat preference 



Fish cultural methodology 



Prolactin 





Fish control agents 



Experimental analysis 



806288 



Antimycin-A 



Testis 





Lethal environmental limits 



Experimental analysis 



805704 



Experimental analysis 



Adenohypophysis 



805705 

 805704 

 805705 

 805705 



805706 

 806288 



Venomous fish 

 Defensive spines 



Adrenal cortex 

 Androgens 



Experimental analysis 



Experimental analysis 

 IctaJurus 



Relationships 

 Identifying characters 



Adenohypophysis 



805706 



General structure and behavior 

 Skin 



Adrenal cortex 



805706 



Seasonal changes 





Regeneration 



Function 



804903 



Histology 



Experimental analysis 



804903 



Lateral line pores and canals 



General embryology 



806730 



Anatomy 



Yolk 





Histology- 



Lipid and fatty acid content 





Development 



Biochemistry 



806694 



Regeneration 



Radioactivity 





Histology 



Effect on fish 





Neuromas ts 



Estrogens 



806703 



Chemical senses 



Androgens 

 Digenea 



Incidence of infection 



806703 



807140 



Nervous electro physiology 

 Salinity 

 Taste buds 



Parasite systematics 



804911 

 806183 



Regeneration 

 Histology 



Cestoda 







Parasite systematics 



806717 





807136 

 806429 

 805605 

 804903 



807161 

 807161 



807161 



807161 

 807152 

 804352 

 803603 

 807939 



807161 



807161 



807152 

 806635 

 806635 

 806635 



806642 



806642 

 804352 

 805646 

 805647 

 806635 

 806821 

 807168 

 807835 

 803895 

 808464 

 804411 

 806635 

 806821 

 806635 

 806821 

 807044 



807152 

 806367 

 807942 



378 



