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Journal of the Marine Biological Association of India
Fishery, biology and stock status of Priacanthus hamrur (Forsskal, 1775) exploited off Kerala coast
The present paper attempts to describe the fishery of priacanthids along Kerala coast during 2007-15, along with insights into certain aspects of the biology and stock status of the dominant species Priacanthus hamrur which formed more than 80% of the priacanthids landed during this period. The length-weight relationship estimated show that there is no significant difference in b values of male and female and the equation derived for sexes pooled W = 0.000047038 L2.76. Sex ratio revealed dominance of females over males (1:1.5). Spawning season of P. hamrur was from June to October with a peak in August. Growth parameters estimated were, L∞=404.25 mm, K=0.58 year-1 t0=-0.1370. Total mortality estimated was Z=3.70, natural mortality M=1.13 and fishing mortality F=2.57. The exploitation rate (E) of P. hamrur in Kerala coast was estimated at 0.69 which is above the optimum level.
P. hamrur, fishery, biology, stock structure, Kerala coast
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