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This study was conducted from January (2005) to December (2005) in the coastal waters of Khuzestan (Western and Eastern coasts of Khore-Musa canal) in Northern part of the Persian Gulf. Sampling was carried out by Bongo net with 300 micron mesh size and oblique towing from near bottom to surface. Among different Decapod specimens, of which the main component were Sergestidae and Caridian larvae such Alpheidae and Callinassidae, different stages of Penaeid larvae were separated and identified. Total abundance of 2703 Penaeid larvae was recorded, 1329 larvae in West and 1374 larvae in East coasts. The mean abundance in Western and Eastern coasts were 133/10m2 and 137.5/10m2, respectively. Penaeid larvae were identified and the numerical abundance of each larval stage was recorded. Parapenaeopsis stylifera was found to be the most abundant species in the area with 1619 individuals per square meter, of which 216 were PL, 292 Mysis V and 1111 were mysis I-III .The next species in abundance was Metapenaeus affinis (889/m2), with 330 PL, 240mysis V and 248 mysis I-III. The genera Penaeus with 155 and Metapenaeopsis with 40 PL and mysis were poorly represented in the samples. Penaeid larvae were observed in all months except in January and the highest diversity and density were recorded during May to November. Iranian Fisheries Science Research Institute Published |
