Study on imigration of commercially important penaeid shrimp postlarvae in the estuarine area of Chakaria, Cox's Bazar Bangladesh

Abstract

Present study was carried out in the Mathamuhuri estuary, located in the mangrove ecosystem of the Chakaria Sundarbans, Cox's Bazar, Bangladesh for a period of two years between May 1982 and April 1984. The over all objective was to draw attention to the fishery significance of the estuaries and the mangrove ecosystems of Bangladesh based on practical observations on (i) seasonal immigration of postlarvae of four commercially important penaeid shrimps Penaeus(P.)monodon, P.(F.)indicus, Metapenaeus monoceros and M. brevicornis in the study area at the vicinity of shrimp culture farms, (ii) quantitative distribution (density) of penaeid postlarvae in general, their diel and monthly variation in occurrence; and (iii) variation of some physicochemical parameters in relation to biological investigations.