Skull 



Anatomy 



Sex chromosomes 



Fishing gear selectivity 

 Bathylagus wesethi 



Sex chromosomes 

 Microstoma 



Vertical distribution 



Distribution 

 Xenophthalmichthys 



Vertical distribution 



Distribution 



Opisthoproctidae 



Opisthoproctus 



Vertical distribution 



Distribution 

 Opisthoproctus soieatus 



Distribution 

 Rhynchohyaius natalensis 



Distribution 

 H interia 



Vertical distribution 



Distribution 

 Bathylaconoidei 



Bathylaco nigricans 



Relationships 



Skull 



Anatomy 



Jaw muscles 

 Anatomy 

 Function 



Descriptive evolution 

 Searsia koefoedi 



Lateral line pores and canals 

 Esocoidei 

 Relationships 

 Skeleton 



Anatomy 



Descriptive evolution 

 Ovary 



Anatomy 



Descriptive evolution 

 Primitive vs advanced traits 

 Zoogeography 



Esocidae 

 Key 



General structure and behavior 

 Fecundity 

 Rate of growth 

 Weight length relationship 

 Distribution 



Reproductive season 

 Gut contents 

 Neoplastic diseases 

 Lymphosarcoma 



Artificial incubation 

 Esox 



Vertebrae 

 Esox americanus 

 Skull 



Infraorbital bones 

 Anatomy 



Descriptive evolution 

 Lateral line pores and canals 

 Distribution 



Food chains 



Insecticide pollutants 

 Effect on fish 

 Esox Jucius 

 Popular names 



General structure and behavior 



Meristics 



Infraspecific variation 

 Morphometries 



Infraspecific variation 

 Dorsal fin 



Regeneration 



Developmental analysis 

 Caudal fin 



Regeneration 



Developmental analysis 

 Protein content 



Amino acids 

 Biochemistry' 

 Protein specificity 



Axial skeletal muscles 



807685 

 804485 

 803881 



806736 

 806736 



806736 

 806736 



804194 

 804194 



806736 

 806736 



806350 

 806350 



807632 

 807632 



807632 

 807632 

 807632 

 804941 

 807632 



804352 

 807939 

 806635 

 806635 

 806635 

 804352 

 806635 

 806635 

 806635 



806072 

 806074 

 806469 



807160 

 807160 

 805646 

 805647 

 807835 



808927 



806282 

 808025 

 807942 

 808374 



804775 



804775 



808221 



80822! 



808222 

 805060 



Nitrogen metabolism 

 Experimental analysis 

 Descriptive evolution 

 Enzymology 

 Skin 



Arterial system 



Anatomy 



Function 



Venous system 



Anatomy 



Function 



Coloration 



Silvery coloration 



Guanine 



Biochemistry 

 Hypoxanthine 

 Biochemistry 

 Scales 



Identification 

 Axial skeleton 

 Identification 

 Jaws 



Alloraetry 

 Skull 



Infraorbital bones 

 Anatomy 



Descriptive evolution 

 Axial skeletal muscles 



ATP ase content and function 



Biochemistry 

 Intermediary metabolism 

 Biochemistry 

 Enzymology 



Anatomy 

 Function 

 Feeding 

 Allometry 



Weight length relationship 

 Oculomotor nerve 

 Ciliary ganglion 

 Anatomy 

 Histology 

 Function 

 Autonomic nervous system 

 Ciliary ganglion 

 Anatomy 

 Histology 

 Function 

 Sensitivity to mechanical stimuli 

 Water pressure 



Experimental analysis 

 Lateral line pores and canals 

 Sclera and cornea 

 Biochemistry 

 Function 

 Lens 



Protein content 

 Biochemistry 

 Parapineal 



Histology 

 Gills 



Anatomy 

 Histology 

 Function 

 Hemoglobin 



Change with age 

 Gut 



Innervation 

 Histology 

 Cell division 

 Pharynx and esophagus 

 Ultrastructure 



Mucus glands 

 Ultrastructure 

 Liver 



Nitrogen metabolism 

 Biochemistry 

 Kidney- 

 Histology 

 Ultrastructure 

 Glomerulus 



Ultrastructure 

 Ovary 

 Histology 

 Arterial system 



Anatomy 

 Venous system 

 Anatomy 

 Ovarian cycles 

 Adaptation 

 Acclimation 



803754 

 803754 

 804584 



805250 

 805250 

 805022 



807464 

 807464 

 807352 

 807352 

 804524 



805639 

 805639 



807214 

 807214 



803816 



804774 

 803572 

 804895 

 806447 

 805728 



804646 

 805012 



805730 

 805970 

 804045 

 804045 



806308 



Opisthoproctidae 



Bathylaconoidei 



Esocidae 



405 



