1984•Indian Journal of FisheriesOpen access

AGE-AND-GROWTH EQUATION OF THE INDIAN MACKEREL FROM PURSE-SEINE CATCHES OFF KARNATAKA COAST

Karthik Udupa, C. H. Krishna Bhat

Abstract

Using the Bhattacharya method of age determination on monthly samples of Indian mackerel Rastrelliger kanagurta, from the purse-seine catches of 1980-81 fishing season at Mangalore, Gangolli and Karwar landing centres, it is seen that there were three broods of mackerel, of 1, 2 and 3 years old whose respective mean total lengths were 19.45 cm, 23.45 cm and 25.20 cm

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Key concepts: Fishery, Mackerel, Fishing, Geography, Oceanography, Fish <Actinopterygii>, Biology, Environmental science