A note on the dol-net fishery off Jaffrabad (Gujarat)udwith special reference to Bombay duck,udFrom 1979-80 to 1981-82

摘要

An estimated catch of 17,345.6 t were landed at JafTrabad by dol nets.udThe bombayduck formed about 90.6% of the landings. The peak periods of abundanceudwere October-November (CPUE 245.0 and 216.9 kg) and May (CPUEud231.4 kg). The size range of bombayduck varied between 30 mm and 375 mm.udJuveniles below 210 mm were more abundant during February-May (93 7 toud98.6%).udThe bycatch consisted of Coilia dussumeiri (2.6%), non-penaeid prawnsud(2.2%), penaeid prawns (0.8%), Ghol (1.7%) and Trichiums (0.7%). Considerableudquantities of Pampns argenteiis (25.3 tonnes) in the size range 30 toud149 mm were also landed.