Page 



Environmental factors influencing catch 13 



Bottom conditions 14 



Illumination 14 



The trap environment 14 



Simulated commercial fishing--Second year 15 



Lobster trapping 17 



Lobster trawling IS 



Panama bay scallops 18 



Biological notes on Panamanian lobsters 19 



Spiny lobster - life history notes 20 



Pacific spiny lobster ( Panulirus gracilis ) 20 



Caribbean spiny lobster ( Panulirus argus ) 23 



Pacific sand lobster ( Evibacus princeps ) 24 



Summary 25 



Acknowledgments 26 



Literature cited 26 



