Species composition and size structure of beach seine by-catches in Port-Said fishing harbour, Egypt
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The trash catch of the Egyptian Mediterranean small beach seine operating in Port-Said fishing harbour at the entrance of the Suez Canal during the period from January to December 1997 was analyzed. It amounted about 3-5 kg per haul composed of three categories: juveniles of commercially important species (76.6%), low-valued small size fish species (11.2%) and 12.2% of non-edible ?trash? species. The amount of trash catch constituted about 20-25% of the total landing of beach seine. It was classified into 42 species representing 24 families. Among these, 17 species are known to be of Red Sea origin. Three species Siganus rivulatus, (recruitment in October), Terapon puta (recruitment in August and September) and Pomadasys incisus (recruitment in January and February) dominated the assemblage of 42 species and contributed 53.8% of all sampled fishes.
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M. El-Mor, Institute of Oceanography, University of Gdansk al. Marszalka Pilsudskiego 46, 81-378 Gdynia, Poland