Fish mycobacteriosis 

 Identification 

 Effect on fish 

 Prophylactic treatment 



Ich disease 



Myxosporidiosis 



Anchor worm infestation 

 Natural mortality 

 Productivity 

 Fisheries improvement 

 Transplantation in nature 

 Winterkill 

 Stream improvement 



Reproduction 



Impoundment manipulation 



Habitat destruction 



Dams and barriers 



Effect on fish 



Population changes 

 Poisonous gas pollutants 

 Hydrogen sulfide 

 Effect on fish 

 Developing egg 

 Fry 

 Fish cultural methodology 

 Pondfish productivity 

 Fish control agents 

 Antimycin-A 



Lethal environmental limits 

 Experimental analysis 



Copper sulfate 



Outdoor census and sampling 

 Effect on fish 

 Toxaphen 



Outdoor census and sampling 

 Effect on fish 

 Archeological data 

 Life span 

 Rate of growth 



Maximum size 

 Maximum size 

 Marking and tagging 

 Experimental analysis 

 Vital dyes 

 Young 



Experimental analysis 

 Feeding captive fish 

 Fry 



Plankton 

 Anesthetics 



Methylpentynol 



Lethal environmental limits 

 Experimental analysis 

 Quinaldine 

 Effect on fish 



Lethal environmental limits 

 Scale age study 



Experimental analysis 

 Transplantation in nature 

 Young 

 Esox masquinongy 



General structure and behavior 

 Scales 



Identification 



Axial skeleton 



Identification 



Gill arch teeth 



Anatomy 



Descriptive evolution 

 Cleavage and epiboly 

 Populations 

 Esox niger 



General structure and behavior 

 Distribution 



Herbicide pollutants 



Lethal environmental limits 

 Experimental analysis 

 Fish control agents 

 Antimycin-A 



Lethal environmental limits 

 Experimental analysis 

 Palaeoesox 

 Eocene 



Umbridae 



Key 



Vertebrae 

 Fecundity 

 Rate of growth 



808255 

 808255 

 804123 

 804123 

 806261 

 804123 

 808802 

 807870 

 807746 



807895 



808174 



803985 

 806844 



809038 

 809038 

 803514 

 809038 



808215 

 803943 



808601 

 808233 

 807870 

 807181 

 807352 

 807352 



807964 

 803524 



808176 



804352 

 803656 

 806635 

 806635 



Reproductive season 

 Gut contents 

 Dallia 



Relationships 



Caudal skeleton 



Miocene 

 Dallia pcctoralis 



Relationships 



Caudal skeleton 



Zoogeography 



Population structure 



Habitat preference 

 Novumbra hubbsi 



Relationships 



Infraspecific variation 

 Populations 



Zoogeography 



Distribution 

 Gut contents 

 Habitat preference 

 Experimental analysis 

 Novumbra oregonensis 

 New species 

 Relationships 

 Oligocene 

 Paleoecology 

 Umbra krameri 

 Popular names 

 Morphometries 

 Distribution 



Expansion of range by man 

 Population density 

 Habitat preference 

 Umbra limi 



Oxygen consumption 

 Change with age 



Experimental analysis 

 Temperature 



Experimental analysis 

 Adlibitum food capacity 

 Insecta 



Seasonal changes 

 Starvation 



Effect on fish 



Oxygen consumption 

 Population structure 



Surface volume relationship 

 Circadian rhythms 



Oxygen consumption 

 Fish control agents 

 Antimycin-A 



Lethal environmental limits 

 Experimental analysis 

 Use in biological control 

 Insecta 

 Umbra pygmaea 

 Distribution 

 Galaxioidei 

 Relationships 

 Skeleton 

 Anatomy 



Descriptive evolution 

 Ovary 

 Anatomy 



Descriptive evolution 

 Primitive vs advanced traits 

 Zoogeography 

 LepidogaJaxias saiamandroides 



Relationships 

 Prototroctidae 

 New family 

 Relationships 

 Aplochitonidae 

 Relationships 

 Redefinition 

 Axial skeleton 

 Caudal skeleton 

 Pectoral girdle 

 Pelvic girdle 

 Visceral skeleton 

 Jaws 

 Skull 



Oral teeth 

 Ovary 



Anatomy 

 Habitat preference 

 Migrations 



806635 Umbridae 



804352 



806635 



806635 



806635 Galaxioidei 



803656 

 803656 

 803656 Aplochitonidae 



803656 

 803656 

 807008 

 806617 

 807008 



803656 



806617 

 806856 

 806856 

 806856 



806856 



803656 

 803656 

 803656 

 803656 



806282 

 804771 

 806282 

 804771 

 807222 

 807222 



808026 

 808026 



807632 

 807632 

 807632 

 807632 



807632 



807632 

 807632 

 807632 

 807632 

 807632 

 807632 

 807632 

 807632 

 807632 

 807632 



807632 

 807632 

 807632 



407 



