United States Departaent of the Interior 



Oscar L* Chapnan, Secretary 



Pish and Wildlife Service 



Albert M. Day, Director 



Special Scientific Report - Fisheries 

 No. 25 



POISONOUS FISHES OF THE SOUTH SEAS 



Translated frcm the Japanese language by 

 W» G. Van Campen 

 Pacific Oceanic Fishery Investigations 



CONTENTS 



Page 

 1« Report of an investigation of poisonous fishes of 

 South Seas, By Yoshio Hiyama l/ 



Preface* • ••••••1 



Chapter I. Introductory 3 



Section 1 Introduction •• ••S 



Section 2 Past Studies of Poisonous Fish . • • • 4 

 Section 3 Methods of Investigation and Testing© 9 

 Section 4 Relation of Freshness to Toxicity. • .13 



Chapter II. Species of Poisonous Fish and their 



Toxicity* •*. 16 



Section 1 General* ..•***..•***•• *16 

 Section 2 Genus Gymno thorax * **•*•*..* .21 

 Section 3 Genus Sphyraena. * **..**.*• •2 5 



Section 4 Genus (^ranx . 27 



Section 5 Genus Lutjanus and Genus Apr ion * . . .30 



Section 6 Genus Lethrinus 35 



Section 7 Family ~Sparidae . .*• 37 



Section 8 Families Labridae and Callyodontidae .39 



Section 9 Family Serranldaa* *** 41 



Section 10 Family Eepatidae 46 



Section 11 Families Monacanthidae , Balistidae, 



eind others *49 



Section 12 Family Tetraodontidae* *•***•• *51 



1^ Nissan Fisheries Experiment Station Odawara Branch 



