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2003•Unpublished venueOpen access

Fishery, biology and population dynamics of Nemipterus japonicus (Bloch) off Visakhapatnam

Utkrisht Rajkumar, K. Narayana Rao, H Jose Kingsly

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Abstract

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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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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Available abstract

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.

Key concepts: Fishery, Biology, Population, Zoology, Demography, Sociology

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Fishery, biology and population dynamics of Nemipterus japonicus (Bloch) off Visakhapatnam — Research Paper | ScholarLens