Characidae Subterranean waters 



(continued) Adaptation 



Light 

 Retina 



Acclimation 

 Distribution 



Avoidance conditioning 

 Brachypetersius altus 



Synonymy 

 Brycon 



Poisonous fish 

 Brycon acutus 

 Pectoral girdle 

 Anatomy 

 Brycon guatemalensis 

 Skull 



Infraorbital bones 

 Anatomy 



Descriptive evolution 

 Lateral line pores and canals 

 Brycon melanopterus 

 Monogenea 



Parasite systematics 

 Catabasis acuminatus 

 Relationships 

 Oral teeth 

 Cataprion 

 Scale scraping for food 

 Descriptive evolution 

 Charax gibbosus 



Habitat preference 

 Charax magdaienae 



Ne 



atuJj 



Parasite life history 

 Cheirodon troemneri 

 Habitat preference 

 Colossoma bidens 

 Myxosporidia 



Host parasite interactions 

 Copeina guttata 

 Reproduction 



Corynopoma nisei 

 Brain 



Chemical senses 



Function 

 Visual senses 

 Function 

 Autonomic nervous system 

 Histology 

 Abnormality 

 Nose 



Anatomy 

 Function 

 Reproduction 

 Coprtship 



Visual signals 

 CNS integration 

 Cynopotamus iimaequamis 



Habitat preference 

 Exodon 



Scale scraping for food 

 Descriptive evolution 

 Gymnocorymbus ternetzi 

 Reproduction 

 Fish mycobacteriosis 



Host parasite interactions 

 Histology 

 Hemigrammus caudovittatus 

 General structure and behavior 

 Taste buds 

 Anatomy 

 Histology 

 Development 

 Visual senses 

 Survival value 



Experimental analysis 

 Eye 



Feeding 



Experimental analysis 

 Group behavior 



Experimental analysis 

 Instrumental conditioning 



Chemical senses 

 Fish mycobacteriosis 

 Identification 

 Effect on fish 

 Prophylactic treatment 

 Hemigrammus crythrozonus 



Chromosome number 

 Hemigrammus byanuary 



General structure and behavior 



805573 

 804232 



804807 

 803580 



804361 

 804139 



803543 

 805834 



807317 

 807317 



804807 

 803850 



808205 

 803701 



808412 



808412 

 808412 

 808412 



808255 

 808255 



805397 

 806600 



Hemigrammus pulcber 



General structure and behavior 

 Hemigrammus rhodostomus 

 Identifying characters 

 Convergence and parallelism 

 Hydrocyon 

 Relationships 

 Caudal skeleton 



Anatomy 



Gill arch teeth 



Anatomy 



Descriptive evolution 

 Hydrocyon forskali 

 Centropomidae 

 Lates niloticus 

 As predator 

 Hydrocyon vittatus 

 Synonymy 



General structure and behavior 

 Monogenea 



Parasite systematics 

 Hyphessobrycon flammeus 



General structure and behavior 

 Hyphessobrycon herbertaxe/rodi 



Reproduction 

 Hyphessobrycon innesi 

 Chromosome number 

 Reproduction 

 Hyphessobrycon ornatus 

 Fish mycobacteriosis 

 Identification 

 Effect on fish 

 Prophylactic treatment 

 Hyphessobrycon serpae 

 Fins 



Inheritance 

 Abnormality 

 Lepidarchus adonis 



Habitat preference 

 Mcgalamphodus megalopterus 



Reproduction 

 Metynnis 



Artificial rearing environments 

 Straining for food 

 Productivity 

 Metynnis maculatus 

 Gas bladder 



Use in systematics 

 Anatomy 



Metynnis schreitmuellcri 

 Reproduction 



Metynnis schreitmueileri X 

 Mylossoma argenteum X 

 Fry 



Artificial hybridization 

 Micralestes acutidens 



General structure and behavior 

 Centropomidae 

 Lates niloticus 

 As predator 

 Feeding 



Orcadian rhythms 

 Gut contents 

 Micralestes hum ills 



Synonymy 

 Moenkhausia pittieri 



General structure and behavior 

 Mylossoma argenteum X 

 Metynnis schreitmueileri X 

 Fry 



Artificial hybridization 

 Nematobrycon palmed 



General structure and behavior 



Reproduction 



Oligosarcus 



Relationships 



Redefinition 



Synonymy 



Key 



Meristics 



Morphometries 



Anal fin skeleton 



Jaws 



Skull 



Gill rakers 



lnfraspecific variation 



Distribution 

 Oligosarcus meadi 



New species 



807021 

 807021 



803918 

 805774 

 803833 

 805397 



805785 

 805038 

 804576 



803790 

 803911 



803505 

 803505 



805573 

 803701 



803924 

 805770 

 803502 

 803681 



806652 

 806652 

 806652 

 806652 

 806652 

 806652 

 806652 

 806652 

 806652 

 806652 

 806652 

 806652 



806652 



342 



