The current volume is an addition to "Advances in Fish and Wildlife Ecology and Biology". As in the previous volumes, this volume 5 contains two sections-the first dealing with fish and limnology and the second with wildlife. The first section includes some recent additions to our knowledge in reproductive biology, histopathological changes in inter-renal and chromafin cells exposed to sublethal concentrations of carbaryl and cartap in fish, some studies on neuroendocrinology regulation of egg maturation, culture of giant fresh water prawn, art of freshwater prawn culture in saline water,...