Trawl fishery of the mid-shelf region off Mangalore coast

Trawl fishery over the mid-shelf region off Mangalore coast was studied during 1979/80,1987/88. Details of craft and gear employed, the nature and extent of fishing ground and the changing pattern of fishins are dealt with. There was an eight-fold increase in fishing effort from 4,132 unit days in 1979•80 to a maximum of 34,758 unit days in 1984•85. The annual production rose from 527 t in 1979-80 to a maximum of 10,327 t in ' 1986-87, showing a twenty-fold increase. The catch rate, however, showed an increasing trend initially reaching a peak value of 299 kg in 1981 -82 and declined thereafter only to register another peak of 335 kg in 1985-86