Habitat preference 

 Temperature 

 Breviraja spinosa 



Redescription 

 Cruriraja 

 Genotype 

 Check list 

 Cyclarthrus 

 Genotype 

 Dactylobatus 



Genotype 

 Gryphodobatis 



Genotype 



Malacobatis 



Genotype 



Narcopterus 



Genotype 



Pla tyspondylus 



Genotype 

 Psammobatis 

 Genotype 

 Synonymy 

 Check list 

 Raja 



Genotype 

 Synonymy 

 Check list 

 Popular names 

 External eye structure 

 Cortical hormones 



Hydroxycorticosterone 

 Function 



Use as test animal 

 Cestoda 



Parasite systematics 

 Mammalia 



As predator 

 Distribution 

 Avoidance responses 

 Raja alba 



Distribution 

 Raja bad's 



Axial skeletal muscles 

 Protein content 

 Parvalbumins 

 Biochemistry 

 Metencephalon 

 Anatomy 

 Histology 

 Dahlgren cells 

 Cytology 

 Function 

 Urophysis 

 Anatomy 



Ultrastructure 

 Raja binoculata 

 Visual pigments 

 Biochemistry 

 Copepoda 



Host parasite interactions 

 Raja bullisi 



Identifying characters 

 Raja cervigoni 

 Redescription 

 Raja clarki 



Redescription 

 Raja ciavata 



General structure and behavior 



Descriptive evolution 

 Coloration 



AHometry 



Weight length relationship 

 Amino acids 



Biochemistry 

 Peptide 



Nitrogenous content 

 Biochemistry 

 Metencephalon 

 Anatomy 

 Function 

 Neuroendocrine substances 

 Neurohypophysis 

 Biochemistry 

 Pituitary blood supply 

 Histology 



Descriptive evolution 

 Hemoglobin 



Change with age 

 Liver 



Biochemistry 



Lactate dehydrogenase 



809100 



805193 



806396 

 806396 



806396 



806396 



806396 



806396 



806396 



806396 



806396 

 806396 

 806396 



806396 



806396 

 806396 

 806396 



804641 



807455 



804040 



805518 

 807997 

 806337 



806975 

 805193 

 805193 

 805193 



805364 

 805257 



Monogenea 



Parasite" life history 

 Cestoda 



Parasite systematics 

 Nematoda 



Incidence of infection 

 Distribution of infection 

 Intensity of infection 

 Distribution 

 Hydrostatics 



Change with age 

 Hydrodynamics 

 Gut contents 

 Myxosporidiosis 

 Raja eglanteria 

 Cortisol 



Effect on fish 



Ion and water relationships 

 Corticosterone 

 Effect on fish 



Ion and water relationships 

 Distribution 

 Seasonal abundance 

 Museum 



Broussonet Collection 

 Captive vs natural fishes 



Biochemical blood constituents 

 Stress reactions 



Rajidae 

 (continued) 



Ion and water relationships 

 Biochemical blood constituents 

 Experimental analysis 

 Salinity 

 Electric organs 



Function 

 Neurohypophysis 



Immunological analysis 

 Adenohypophysis 



Oxidative metabolism 



Experimental analysis 

 Immunological analysis 

 Prolactin 



Effect on fish 



Ion and water relationships 

 Adrenal cortex 



Oxidative metabolism 

 Experimental analysis 

 Biochemical blood constituents 



Glu 



804764 

 805728 



Experimental analysis 

 Sporozoa 



Incidence of infection 

 Seasonal abundance 

 Raja floridana 



Identifying characters 

 Raja fuliginea 



Identifying characters 

 Redescription 

 Raja georgiana 



Sexually dimorphic size 

 Developing egg 

 Vertical distribution 

 Gut contents 

 Raja hyperborea 

 List of types 



University of Oslo 

 Raja lentiginosa 

 Redescription 

 Raja miraletus 

 Synonymy 

 Meristics 

 Morphometries 

 Claspers 



Anatomy 

 Fish communities 

 Nematoda 



Incidence of infection 

 Distribution of infection 

 Intensity of infection 

 Distribution 

 Raja montagui 



Sexually dimorphic teeth 



Hydrostatics 



Gut contents 



Change with age 

 Raja naevus 



Sexually dimorphic teeth 

 Raja nidarosiensis 

 List of types 



University of Oslo 

 Raja ocellifera 

 Invalidation 



805470 

 805470 

 807937 

 804531 

 807979 

 807979 

 807937 

 805466 



809031 

 804948 

 808873 



805145 

 809031 



804701 

 806802 



806802 

 805033 

 804239 



805193 

 805193 



807663 

 807663 

 807663 

 807663 



806655 



805193 



806546 

 806546 

 806546 



806546 

 806740 



805470 

 805470 

 806546 



806420 

 806420 



806655 

 806546 



181 



