Gadus friedbergi 

 Synonymy 

 Otoliths 



Anatomy 

 Miocene 

 Gadus macrocephalus 

 Comparative enzymology 



Nucleotidase 

 Visceral skeleton 

 Urohyal 

 Anatomy 



Identification 

 Axial skeletal muscles 



Enzymology 

 Biochemistry 

 Fecundity 

 Developing egg 

 Age at maturity 

 Life span 

 Weight length relationship 



Mathematical growth analys: 

 Vertical distribution 

 Seasonal changes 

 Hydrogen ion concentration 

 Labyrinth 



Blood and lymph 

 Digenea 



Incidence of infection 

 Intensity of infection 

 Cestoda 



Incidence of infection 

 Intensity of infection 



Ne 



atoda 



Incidence of infection 



Intensity of infection 

 Parasite systematics 

 Distribution 



Larva 

 Reproductive season 

 Gut contents 



Change with age 

 Habitat preference 



Temperature 

 Home range and homing 

 Migrations 



Sampling in fisheries 

 Maximum yield 

 Standing crop 

 Gadus morhua 

 Meristics 



Lipid and fatty acid conte: 

 Change with age 



Axial skeletal muscles 

 Biochemical blood 

 Liver 

 Pesticide content 

 Comparative enzymology 

 LDH isoenzymes 

 Inheritance 

 Biochemistry 

 Nitrogen metabolism 

 Experimental analysis 

 Descriptive evolution 

 Skin 



Collagen 



Biochemistry 

 Caudal skeleton 

 Anatomy 



Descriptive evolution 

 Axial skeletal muscles 

 Biochemistry 

 Albumin 



Descriptive evolutio 

 Protein content 

 Biochemistry 



Enzymology 

 Lipid and fatty acid c 



Biochemistry 

 Protein specificity 

 Oxidative metabolism 



Biochemistry 

 Seasonal changes 



Biochemistry 

 Eye muscles 

 Anatomy 



Function 

 Otoliths 



Ultrastructure 



Function 



807288 

 807904 

 807904 

 807904 

 807904 



807495 

 805563 

 807153 

 808471 



808475 



807904 



807904 



809100 

 808867 

 807904 



807470 



807541 



803874 

 803874 



803874 

 806508 



803870 



804060 



804375 

 807513 



807519 

 807513 



807519 



803619 

 803870 



806443 



803878 



Development 

 Biochemistry 

 Function 

 Development 

 Aural sensitivity and acuity 



Experimental analysis 

 Galvanotaxis 



Experimental analysis 

 Chemical senses 

 Feeding 



Experimental analysis 

 Melanocyte stimulating hormone 



Biochemistry 

 Insulin 



Developmental analysis 

 Radioactive tracers 

 Gas bladder 

 Ultrastructure 

 Function 

 Erythrocytes 

 Chromium 

 Biochemistry 

 Biochemical blood constituents 



Lactate dehydrogenase 

 Hemoglobin 

 Polymorphism 



Population genetics 

 Oral teeth 

 Pigments 

 Histology 

 Development 

 Stomach 

 Innervation 



Experimental analysis 

 Histamine content 

 Biochemistry 

 Pyloric caeca 

 Function 



Geographic variation 

 Ovary 



Gerontological pathologies 

 Histology 

 Abnormality 

 Estrogens 



Effect on fish 

 Vitamin content 

 Biochemical blood constituents 

 Ovarian cycles 



Fecundity 



Change with age 



Infraspecific variation 

 Testicular cycles 



Aminotransferases 

 Enzymology 

 Biochemistry 

 Sperm 



Enzymology 



Aminotransferases 

 Biochemistry 

 Age at maturity 



Geographic variation 

 Mathematical growth an 

 Rate of growth 

 Change with age 

 Maximum size 

 Geographic variation 

 Change with age 

 Age length relationship 



Weight length relationship 

 Sex ratio 



Change with age 

 Population genetics 



Biochemical blood constituents 



Hemoglobin 

 Polymorphism 

 Sibling species 

 Polymorphism 



Geographic variation 

 LDH isoenzymes 

 Vertical distribution 

 Temperature 



Adaptation 



Lipid and fatty acid content 

 Sporozoa 



Host parasite interactions 

 Cestoda 



Incidence of infection 

 Host parasite interactions 



803878 



Gadidae 



805519 

 803878 

 803878 

 804993 

 807413 



(continued) 

 Gadus 



806336 





808292 

 807373 





806522 

 803619 



806631 

 809016 



805405 

 805405 

 808035 



804448 



807541 

 805270 

 805272 

 805274 

 805275 



807725 



805090 



804594 

 807412 



391 



