Hemoglobin 



Protein specificity 

 Biochemistry 

 Progesterone 

 Effect on fish 

 Embryogenesis 

 Viviparity 



Ion and water relationships 

 Experimental analysis 

 Fecundity 



Larva 



Rate of growth 



Caryotype 



Distribution wit 



Temperature 



Ovarian c> 



Change wi 



Radioactivity 



Temperature 



Lethal env 



Reproduction 



Effect on ; 



Hydrogen 



Effect ( 



Distributic 



fish 



Expansion of range by 



Population changes 



Reproductive season 

 Spatial orientation 



Hiding 



Experimental analysis 

 Effects of experience 

 Hydrostatics 

 Hydrodynamics 

 Feeding 



Orcadian rhythms 

 Preying on small prey 



Experimental analysis 

 Larva 

 Habitat preference 



Young 

 Hiding 



Effects of experience 

 Hydrogen ion concentration 

 Experimental analysis 

 Background selection 

 Temperature 



Experimental analysis 

 Orcadian rhythms 

 Avoidance responses 

 Orcadian rhythms 



Experimental analysis 

 Sc h recks to ffe 



Experimental analysis 

 Home range and homing 

 Orcadian rhythms 



Experimental analysis 

 Reproduction 

 Viviparity 



Seasonal changes 

 Mating 



Activity patterns 

 Interspecific communication 

 Chemical senses 



Fright reaction to predator 

 Experimental analysis 

 Introduction for fishery 

 Oxygen deficiencies in habitat 

 Collecting fish 



Experimental analysis 

 Fish cultural methodology 

 Insecticide pollutants 



Lethal environmental limits 

 Experimental analysis 

 Insecticide resistance 



Experimental analysis 

 Populations 



Infraspecific variation 



808393 

 803550 

 806635 

 808139 

 806635 

 807179 

 806687 



805386 



803550 



808170 

 805646 

 805647 

 806635 

 807268 

 807835 

 808348 

 803758 

 806282 

 806844 

 808971 

 803895 

 808977 

 806635 



809043 

 809043 

 807979 

 807979 



807179 



806973 

 806973 

 804059 

 804098 



807597 



807179 

 804946 



809051 

 806176 

 809051 

 807499 



806265 



Microbiological ichthyotoxins 

 Ochromonas 



Lethal environmental limits 

 Hatchery productivity 

 Fish control agents 

 Antimycin-A 



Lethal environmental limits 

 Experimental analysis 

 Use in biological control 



Mosquito 

 Insecta 



Experimental analysis 



Use as test animal 

 Venomous fish 

 Gambusia affin/s X 



Gambusia georgei X 

 Natural hybridization 

 Gambusia beebei 



Relationships 



Redescription 



Neotype 



Key 



Meristics 



Gonopodium 



Distribution 

 Gambusia geiseri 



Habitat preference 

 Gambusia georgei 



New species 



Relationships 



Coloration 



Distribution 



Habitat preference 

 Gambusia georgei X 



Gambusia affinis X 

 Natural hybridization 

 Gambusia myersi 



Relationships 

 Gambusia pseudopunctata 



New species 



Relationships 



Key 



Meristics 



Gonopodium 



Distribution 

 Gambusia punctata 



Relationships 



Redescription 



Synonymy 



Neotype 



Key 



Axial skeleton 



Gonopodia! suspensorium 



Gonopodium 



Geographic variation 

 Meristics 



Distribution 



Habitat preference 

 Gambusia puncticulata 



Population density 

 Gambusia rhizophorae 



New species 



Synonymy 



Key 



Meristics 



Axial skeleton 



Gonopodial suspensorium 



Gonopodium 



Distribution 



Habitat preference 

 Girardinus dcnticulatus 



Synonymy 

 Girardinus fa lea t us 



General structure and behavior 



Mating 

 Girardinus meta/Iicus 



General structure and behavior 

 Glaridichthys atherinoides 



Ecotypes 

 Heterandria formosa 



Axial skeletal muscles 

 Ultrastructure 

 Biochemistry 



Viviparity 

 Anatomy 



Descriptive evolution 

 Mollienesia 



Chemical brain treatment 

 O: 



PhaUichthys 

 Isolating i 



807597 



807631 

 807631 

 807631 

 807631 

 807631 

 807631 

 807631 



807597 



807597 



807597 

 807597 



807597 

 807597 



807597 



807631 

 807631 

 807631 

 807631 

 807631 

 807631 



807631 

 807631 

 807631 

 807631 



807631 



807631 

 807631 

 807631 



808157 



807631 

 807631 

 807631 

 807631 



807631 

 807631 

 807631 

 807631 



807585 



805804 

 807585 



803556 

 803556 



804904 

 805410 



Poeciliidae 

 (continued) 



PhaUichthys 



313 



