EFFECT ON FISH 



801572 



ARTIFICIAL POPULATION MANIPULATION 



800051 



USE IN BIOLOGICAL CONTROL 



801860 





803348 



GAMBUSIA MANNI 





IDENTIFYING CHARACTERS 



801949 



DISTRIBUTION WITHIN HABITAT 



801949 



DISTRIBUTION 



801949 



HETERANDRIA FORMOSA 





GENERAL STRUCTURE AND BEHAVIOR 



801828 



DISTRIBUTION 



802259 



POECILIA 





THERMAL SPRINGS 



801372 



POECILIA FORMOSA 





DEFINITION OF SPECIES TAXON 



803008 



LENS 





BIOCHEMISTRY 



800785 



SERUM PROTEINS 





NATURAL HYBRIDIZATION 



801688 



GYNOGENESIS 



800785 





802118 





803216 



OOGENESIS 





CARYOTYPE 



803209 



INHERITANCE 



800785 



POPULATION GENETICS 



803216 



CARYOTYPE 



803209 



INFRASPECIFIC VARIATION 



803209 



ZOOGEOGRAPHY 



802118 



DISTRIBUTION 



803216 



EXPANSION OF RANGE BY MAN 



802118 



AGGRESSIVE BEHAVIOR 



801573 



AVOIDANCE CONDITIONING 



803449 



POECILIA FORMOSA X 





POECILIA SPHENOPS X 





ARTIFICIAL HYBRIDIZATION 



803209 



TRIPLOIDY 



803216 



POECILIA VITTATA X 





ARTIFICIAL HYBRIDIZATION 



803209 



POECILIA LATIPINNA 





ION AND WATER RELATIONSHIPS 





EXPERIMENTAL ANALYSIS 





PROLACTIN 



803089 



PROLACTIN 





EXPERIMENTAL ANALYSIS 





ION AND WATER RELATIONSHIPS 



801295 



JUXTAGLOMERULAR APPARATUS 





HISTOLOGY 





FUNCTION 





DESCRIPTIVE EVOLUTION 



801567 



SEX RATIO 



801573 



USE AS TEST ANIMAL 





PROLACTIN 



801295 



DIGENEA 





PARASITE LIFE HISTORY 





HOST PARASITE INTERACTIONS 



800594 



DISTRIBUTION 



802118 



AGGRESSIVE BEHAVIOR 

 TERRITORIALITY 

 POECILIA LATIPINNA X 

 POECILIA MEXICANA X 



■ NATURAL HYBRIDIZATION 



801688 





802118 



POECILIA MELANOGASTER 





GENERAL STRUCTURE AND BEHAVIOR 



800377 



POECILIA MEXICANA 





DISTRIBUTION 



802118 



POECILIA MEXICANA X 





POECILIA LATIPINNA X 





NATURAL HYBRIDIZATION 



801688 



POECILIA RETICULATA 





GENERAL STRUCTURE AND BEHAVIOR 



801828 



OXYGEN CONSUMPTION 



800733 



ION AND WATER RELATIONSHIPS 



800816 



SKIN 





ULTRASTRUCTURE 



800292 



FUNCTION 



800292 



MUCUS GLANDS 





ULTRASTRUCTURE 



800293 



FUNCTION 



800293 



AXIAL SKELETON 





ABNORMALITY 



800633 



AXIAL SKELETAL MUSCLES 





ULTRASTRUCTURE 



800199 



MESENCEPHALON 





BIOCHEMISTRY 





FUNCTION 



801993 



EYE 





FUNCTION 



801627 



RETINA 





HISTOLOGY 





DEVELOPMENT 



801363 



VISUAL SENSITIVITY AND ACUITY 





DEVELOPMENT 



801363 



NEUROHYPOPHYSIS 





ANATOMY 



800415 



ADENOHYPOPHYSIS 





ANATOMY 



800415 



EXPERIMENTAL ANALYSIS 





COURTSHIP 



801771 



GROWTH HORMONE 





FUNCTION 



801080 



THYROID 





FUNCTION 



800672 



THYROID HORMONE 





EXPERIMENTAL ANALYSIS 

 CORPUSCLES OF STANNIUS 



ULTRASTRUCTURE 



EXPERIMENTAL ANALYSIS 

 ARTERIAL SYSTEM 



ABNORMALITY 

 INTESTINE 



HISTOLOGY 



FUNCTION 

 JUXTAGLOMERULAR APPARATUS 



HISTOLOGY 

 FUNCTION 



DESCRIPTIVE EVOLUTION 

 OVARIAN CYCLES 



EFFECT ON FISH 



COURTSHIP 



SEXUAL DIMORPHISM 



ABNORMALITY 

 YOLK SAC 



HISTOLOGY 



BIOCHEMISTRY 



DEVELOPMENT 

 RATE OF GROWTH 



YOUNG 



EXPERIMENTAL ANALYSIS 



ENERGY CONVERSION EFFICIENCY 

 EXPERIMENTAL ANALYSIS 



MUTATIONS 



EXPERIMENTAL ANALYSIS 



FEEDING CAPTIVE FISH 



BREEDING AND REARING 



USE AS TEST ANIMAL 



TEMPERATURE 

 EFFECT ON FISH 

 SPERMATOGENESIS 

 RADIOACTIVITY 



EFFECT ON FISH 

 SALINITY 



ACCLIMATION 

 ORGANICS IN WATER 

 GLUCOSE 



EFFECT ON FISH 

 TREMATODA 

 AS PARASITE 



PARASITE LIFE HISTORY 

 DIGENEA 



PARASITE LIFE HISTORY 

 PARASITE SYSTEMATICS 

 PARASITE LIFE HISTORY 

 LETHAL ENVIRONMENTAL LIMITS 

 EXPANSION OF RANGE BY MAN 



POPULATION CHANGES 

 AVAILABILITY AND USE OF FOOD 

 REPRODUCTION 

 PARTURITION 



INSTRUMENTAL CONDITIONING 

 OPTOMOTOR RESPONSE 

 MEMORY MECHANISMS 

 STRESS REACTIONS 

 TERATOMA 



INHERITANCE 

 HOST PARASITE INTERACTIONS 

 ICH DISEASE 



PARASITE LIFE HISTORY 

 MAXIMUM YIELD 

 HEAT POLLUTION 

 INSECTICIDE POLLUTANTS 



LETHAL ENVIRONMENTAL LIMITS 

 OIL POLLUTANTS 

 EFFECT ON FISH 

 POECILIA SPHENOPS 

 MELANISM 

 AMINO ACIDS 

 BIOCHEMISTRY 

 FINS 



ABNORMALITY 

 INHERITANCE 

 EYE 



DESCRIPTIVE EVOLUTION 

 SUBTERRANEAN WATERS 

 SPERMATOGENESIS 



EXPERIMENTAL ANALYSIS 

 SUBTERRANEAN WATERS 



DESCRIPTIVE EVOLUTION 

 DARKNESS 



EFFECT ON FISH 

 MATING 

 DISTRIBUTION 

 SPECIES RECOGNITION 

 EXPERIMENTAL ANALYSIS 

 EYE 

 NOSE 

 SEX RECOGNITION 

 POECILIA SPHENOPS X 

 POECILIA FORMOSA X 

 COLORATION 



INHERITANCE 

 ARTIFICIAL HYBRIDIZATION 



CARYOTYPE 

 TRIPLOIDY 



POECILIA LATIPINNA X 



800733 POECILIIDAE 

 (CONTINUED) 



GAMBUSIA 



TO 



POECILIA 



800699 

 800699 



801567 

 800672 



801771 



800475 

 800475 

 800475 



803362 

 801080 

 802693 



802693 



800633 

 803261 

 803261 

 800721 

 800725 



803051 

 800633 

 801397 



801080 



800278 

 800205 



801236 



801237 

 800725 

 801430 

 803305 

 801826 

 801826 

 803261 

 800026 

 803362 

 800551 

 801363 

 801993 

 800733 



802501 

 800278 



802041 

 801826 

 803305 



800721 



800725 



802930 



800115 



801154 

 801405 

 801168 



801168 

 802118 



801168 

 801168 



803209 

 803209 

 803216 

 803209 

 803209 

 803216 



