CPUE, CPUA and biomass of Pomadasys kaakan in the waters of Bushehr province (Persian Gulf)

CPUE, CPUA and biomass of Pomadasyskaakanassessed in the waters of Bushehr province in 2011. The study area was divided into three areas (Northern, Central and Southern) and depth zones (10-20, 20-30 and 30-50 m). In this study,a stratified random sampling was used to collect data. Samples were taken from 45 stations. Total length and mean total length were calculated 27-56 cm and 42.7±4.95 cm, respectively. Total biomass was estimated to be approximately 5943.55 tonnes. Total CPUE and total CPUA were calculated 803.25 kg/h and 9269.05 kg/nm2, respectively. The lowest mean CPUE was observed in 20-30 m depth zone with 8.82 kg/h and the highest mean CPUE was observed in 10-20 m depth zone with 21.45 kg/h. The lowest and highest mean CPUA were calculated in 20-30 m depth zone with 95.91 kg/nm2 and 10-20 m depth zone with 259.35 kg/nm2, respectively. Also, the central area of Bushehr province showed the highest CPUA with 8913.9 kg/nm2. The results of this study showed that the highest distribution and biomass of Pomadasyskaakanare concentrated in the central areas and 30-50 m depth zones.