Advances in Fish and Wildlife Ecology and Biology Vol. 6 is an addition to the Series of the same name. Like the previous volumes this volume too has 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 and seed production in the giant fresh water prawn, influence of aquatic macrophytes on phytoplankton structure and fish communities in a shallow tropical lake in Brazil, Relation between zooplankton diversity and water quality of a reservoir, effect of nutrients on the growth of brood size of fish food organisms, limnology of a high altitude reservoir in Mexico, diel fluctuations of physico-chemical parameters and trophic status of lake Mansar, fish diversity in different lotic environments, fish parasites in marine and freshwater environments, inland fishery in rainfed areas of Jammu, urban impacts on water quality and macrobenthic invertebrate fauna of river Tawi and discovery of a new species of Myxidium. The second section includes some recent additions to our knowledge of anthropogenic influences on the birdlife in Kashmir, avian diversity of Eringole sacred grove in Western Ghats of Kerala, feeding and breeding biology of Brown Rockchat, feeding biology of Red Wattled Lapwing in Jammu, Status and conservation of Blackbuck in Odisha and wetland avifauna of a lake in Karnataka.