Osmeridae 

 (continued) 



414 



Hypomesus 



Key 

 Hypomesus olidus 



Lipid and fatty acid content 



Biochemistry 

 Skin 

 Larva 

 Histology 

 Ultrastructure 

 Coloration 

 Peritoneum 



Axial gradients 

 Visceral skeleton 

 Urohyal 

 Anatomy 



Identification 

 Gut 



Anatomy 

 Histology 

 Development 

 Larva 



Anatomy 

 Development 

 Fecundity 

 Zoogeography 

 Distribution within habitat 

 Population structure 

 Population changes 

 Population density 

 Interspecific competition 

 Gut contents 



Change with age 

 Habitat preference 

 Hypomesus pretiosus 

 Meristics 

 Coloration 

 Peritoneum 



Axial gradients 

 Lunar rhythms 

 Activity patterns 

 Reproduction 

 Trawling 



Effect on fish 



Shallow water observation 

 Hypomesus transpacificus 

 Meristics 



Vertebrae 

 Isolating mechanisms 

 Populations 

 Maliotus catervarius 



Distribution 

 Maliotus villosus 

 Mineral content 



Arsenic 

 Protein content 



Seasonal changes 

 Lipid and fatly acid content 

 Seasonal changes 



Biochemical sex differences 

 Coloration 

 Eye 



Arterial system 

 Anatomy 

 Retina 

 Histology 

 Function 

 Gas bladder 

 Anatomy 

 Histology 

 Ultrastructure 

 Function 

 Vertical distribution 



Larva 

 Ciliata 



Parasite systematics 

 Population density 



Larva 

 Gut contents 

 Osmerus 



Key 

 Osmerus cperlanus 

 Synonymy 

 Key 



Larva 

 Meristics 



Morphometries 

 Body content 

 Skull 



Anatomy 



Identification 

 Galvanotaxis 



Experimental analysis 



806235 

 806235 



806230 

 806230 

 806851 

 807008 

 806851 



806851 

 806678 



807220 

 807035 

 804979 



807118 

 807118 

 807118 



804614 



807471 



807471 

 807472 

 805022 



807296 



807374 



809061 

 809061 

 809061 



808008 



804882 



808942 



808647 



808480 

 803942 

 808647 

 808647 

 808647 



803942 

 806336 



Intestine 



Histology 



Seasonal changes 

 Reproduction 



Function 



Seasonal changes 

 Reproduction 

 General embryology 



Acclimation 

 Temperature 



Key 

 Rate of growth 



Geographk 

 Ecotypes 



Distribution within habitat 



Larva 

 Temperature 

 Effect on fish 



General embryology 

 Lethal environmental limits 

 Digenea 



Parasite systematics 

 Cestoda 



Incidence of infection 

 Parasite life history 

 Parasite life history 



Host specificity 

 Host parasite interactions 

 Acanthocephala 



Parasite systematics 

 Distribution 

 Population structure 

 Population changes 

 Feeding 



Age class distribution 

 Reproduction 

 Orientation with light source 



Schooling 

 Feeding 

 Gut contents 



Change with age 

 Reproduction 



Infectious and parasitic disorders 

 Microsporidiosis 



Host parasite interactions 

 Seasonal changes 

 Fishery dynamics 

 Habitat destruction 

 Osmerus mordax 

 Synonymy 

 Validation 

 Subspecies 

 Meristics 



Morphometries 

 Skull 



Anatomy 



Identification 

 Otoliths 



Ultrastructure 

 Function 

 Development 

 Biochemistry 

 Function 

 Development 

 Eye 



Arterial system 

 Anatomy 

 Retina 

 Histology 

 Function 

 Gas bladder 

 Anatomy 

 Histology 

 Function 

 Rate of growth 



Sex ratio 



Change with age 

 Infraspecific variation 



Rate of growth 

 Geographic variation 

 Ecotypes 



Distribution within habitat 



806352 

 806352 

 808647 



807687 

 808647 

 808647 

 806352 

 807697 

 808647 



806310 

 806310 



803978 

 806261 



806261 



808647 

 808647 



804755 

 808647 



807687 



808647 

 808647 



804755 

 807707 

 807198 



808647 

 803942 

 803942 

 803942 

 808647 

 808647 



803878 

 803878 



807296 

 807374 



809061 

 809061 

 807862 

 808647 



807862 



804390 

 808647 

 804390 

 808647 

 808410 

 808496 

 808497 

 808498 



