TABLE OF CONTENTS

 

Introduction (PDF Format)

 

Amazon fishes and their environment. Val, AL,VMFA Val, DJ Randall and DD MacKinlay 7

Relationships between oxygen uptake and activity levels in parrot fish from the Anderman Sea, Phuket. Taylor, EW, DJ Randall, JF Steffensen and NJ Bernier 13

The effects of plasma acid-base status on urea excretion in Nile tilapia. McKenzie, DJ, G Piraccini, P Bronzi and CL Bolis 19

Urea excretion in the erythrinidae, a tropical fresh water teleost fish. Moraes, G, VLP Polez, RHS Souza and JV Choudhuri 27

Ammonia and urea fluxes in Potamotrygon hysrix , a freshwater stingray of the Amazon. Barcellos,JFM, CM Wood and AL Val 33

Nitrogen metabolism in the tropical fresh water teleost Piaractus mesopotamicus submitted to environmental pH changes. Moraes G, PS Monzani, RHS Souza and AE Autran 39

Metabolic responses of tilapias with special reference to ambient oxygen. Kutty, MN 43

Gonad morphology of nile tilapia: Thailand and Taiwan strains. Del Mundo, RC 53

Aquatic surface respiration and cardiorespiratory responses of Piaractus mesopotamicus during graded and acute hypoxia. Rantin, FT and AL Kalinin 59

Respiratory aspects of fish of the Amazon. Val, AL 69

Hydrogen sulfide tolerance in Amazon fish. Affonso, E, and AV Waichman 75

The quality of the detritus used by Amazonian fish during the low water season. Yossa-Perdomo, MI and C Araujo-Lima 81

Histopathology of gills and accessory air-breathing organ of Lipostarcus pardalis exposed to crude oil. Ferreira da Costa, OT and ARL Farias 85

Influence of environmental factors on larval transport and coastal recruitment success in the silver mullet. Marin, BJ, A Quintero and JJ Dodson 89

Respiratory organs in erythrinid fishes. Fernandes, MN and SE Moron 93

Intraerythrocytic phosphates in Colossoma macropomum and Astronotus ocellatus of the Amazon. Marcon, JL and AL Val 101

Effects of nitrite on hematological aspects of Astronotus ocellatus of the Amazon. Silva, MNP, OTF da Costa, VMFA Val and AL Val 109

Gain and loss of heat resistance in the tropical fish, Astvanax bimaculatus of Venezuela. Chung, KS 113

Ion regulation in ion poor, acidic waters of the Rio Negro. Gonzalez, RJ 119

Gill morphology of the neon tetra. Wilson, J, W Vogl and DJ Randall 123

Ecological implications of metabolic profiles of heart and skeletal muscles of fishes of the Amazon. Val, VMFA and LLL de Paneppucci 129

Characterization of arginase from the tropical fresh water teleost fish Hoplerithrinus unitaeniatus . Moraes, G, VLP Polex, RHS Souza and AE Altran 133

Cardiac energy metabolism in Amazonian fish. Driedzic, WR, VMF De Almeida-Val 139