Fishery, biology and population dynamics of Nemipterus japonicus (Bloch) off Visakhapatnam
2003
Threadfin breams formed 9% of the total small trawler catches of
Visakhapatnam, Nemipterus mesoprion and N. japonicus being the dominant
species. The estimated growth parameters for N. japonicus are L = 340 mm
and K = 0.52 year-1. Size at first maturity is estimated as 128 mm. The species
spawns during July to April with a peak in September. The mortality rate Z, F
and M were 3.52, 2.41 and 1.11 respectively.
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