Disricbodontidae 



Gasteropelecidae 



Hemic don tidae 



Hepsetidae 



Ichthvoboridae 



Cvnodontidae 

 Visceral skeleton 



Anatomy 

 Hydrotycus pectoralis 



Skull 



Anatomy 



- ■:■:■:.-. z 



Habitat preference 

 Hydrolycus scomberoides 



Feeding 



Habitat preference 

 Rhaphiodon vulpinus 



Skull 



Anatomy 



Feed:'-! 



Habitat preference 



Distichodontidae 

 Caudal skeleton 



Anatomy 

 Skull 



Anatomy 

 Fish communities 

 Distribution 

 Population density 

 Habitat preference 



Distichodus 



Epibranchial organ 

 Anatomy 

 Histology 

 Function 



Descriptive evolution 

 Distichodus brevipinnis 



Distribution 

 Distichodus rostratus 

 Distribution 

 Monogenea 



Parasite systematics 



Sannocharax ansorgei 



Epibranchial organ 



Anatomy 



Histology 



Function 



Descriptive evolution 

 Sannocharax fascisms 



General structure and behavior 

 Erythrinidae 

 Hop/erythrinus 



Habitat preference 

 Hoplerythrinus unifasciatus 

 Oxygen deficiencies in habitat 

 Lethal environmental limits 

 Experimental analysis 

 Hoplerythrinus unitaeniatus 

 Feeding 

 Habitat preference 



Hoplias 



Relationships 

 Scalation 

 Caudal skeleton 



Anatomy 

 Pectoral girdle 



Anatomy 

 Pelvic girdle 



Anatomy 

 Visceral skeleton 



Anatomy 

 Skull 



.Anatomy 

 Weberian apparatus 

 Hoplias malabaricus 

 Relationships 

 Gil) arches 



Anatomy 

 Skull 



Infraorbital bones • 

 Anatomy 



Descriptive evolution 

 Lateral line pores and canals 

 Gill arch teeth 



Anatomy 

 Digenea 



Host parasite interactions 



Parasite systematics 

 Population structure 

 Feeding 

 Habitat preference 



807021 

 803580 

 803580 



803580 

 803580 



807021 

 803580 

 803580 

 804059 



807021 



807021 

 808023 

 • : :~: 

 808023 

 808019 

 808023 



805463 

 805463 

 805463 



804180 



804180 



805052 



805463 

 805463 

 805463 



806489 

 804058 



807949 



803580 

 803580 

 804139 



807002 

 807021 



807021 



807021 



807021 



807021 



807021 

 807021 



807964 



• ' ■-- 



807160 



807964 



807387 

 807004 

 806129 

 803580 

 503584 



■:-::- 



804059 

 804139 

 805851 



Gasteropelecidae 



Identifying characters 

 Synonymy 

 Aerial locomotion 

 Reproduction 

 CamegieUa vesca 



Aerial locomotion 

 Gzsteropelecus 

 Pectoral fin muscles 

 Innervation 

 F _- .:: - 



Mauthner neurone 

 Synapses 

 Anatomy 

 Histology 

 Experimental analysis 



Hemiodus 



Ft ~"i". _" i . 'sir 

 Anatomy- 

 Histology 

 Function 

 Descriptive evolution 



Relationships 

 Redefinition 

 Hepsctus odoe 

 Scalation 

 Ci-ii •• t t::r 



Anatomy 

 Pelvic girdle 



Anatomy 

 Visceral skeleton 



Anatomy 

 Skull 



Anatomy 

 Weberian apparatus 

 Monogenea 



Parasite systematics 



Habitat preference 

 Salinity 



Ichthvoboridae 

 Visceral skeleton 



Anatomy 

 Skull 



Anatomy 

 Distribution 

 Hemistichodus 

 Relationships 

 Key 

 M eristics 



Vertebrae 

 Gut 



Distribution 

 Feeding 

 Hemistichodus vaUIano 

 Visceral skeleton 



Anatomy 

 Skull 



Anatomy 

 Oral teeth 

 Ichthyoborus besse 

 Skull 



Anatomy 

 Cestoda 



Intensity of infection 

 Phago intermedius 



Synonymy 

 Phago toricatus 

 Jaws 



Anatomy 

 Function 

 Population structure 

 Fin clipping for food 

 Habitat preference 

 Lebiasinidae 



Visceral skeleton 



Anatomy 

 Skull 



Anatomy 

 Melatonin 

 Pigment cells 

 Effect on fish 

 Orcadian rhythms 

 Pigment cells 



Experimental analysis 

 Characidium fasciatum 

 Population structure 



806090 

 804019 

 806090 



806090 



:::: — 



803571 



803569 

 803569 

 803569 

 ■ :~- . 



805463 

 805463 



807021 

 807021 

 807021 

 807021 



805052 

 806612 

 808019 

 808020 



808018 

 808018 



808018 

 808018 

 808018 

 808018 



808018 

 804080 

 805573 



809052 

 809052 

 809052 

 809052 



807021 

 807021 



• :-- - 



806129 



344 



