Fishery and resource characteristics of mackerel of Visakhapatnam coast

The salient fishery and biological features of \nthe mackerel, R. kanagurta of the Visakhapatnam \narea. Mackerel is recruited to the fishery at the age \nof 1-2 months twice in a year during March-May \nand October - December. But adult fish of 9-15 \nmonths of age form the bulk of its landings, being \ncontributed mainly by drift gillnet and shrimp \ntrawl.