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IJFS 2016, 15 Back to browse issues page
Biology of Indian Mackerel, Rastrelliger kanagurta (Cuvier,1817) in the Western Waters of Aceh
M. Arrafi *, M. Azmi Ambak, M. Piah Rumeaida, Z.A. Muchlisin
, rafiyofa@gmail.com
Abstract:   (5155 Views)

A study of the biology of Indian mackerel, Rastrelliger kanagurta (Cuvier, 1817) in the Western Waters of Aceh, Indonesia was carried out from January to December 2014 and a total of 1343 Indian mackerels were collected randomly twice a month. The allometric coefficients (b) in the present study were between 2.625 and 3.449 with coefficient of determination (R2) values that range between 0.612 and 0.984. The condition factor (K) ranged from 0.9176 - 1.4509. Asymptotic length (L∞) and growth coefficient (K) and t0 were estimated at 27.3 cm (TL) 0.56 y-1 and - 0.526 y, respectively.  The sex ratio of male to female was 1 : 1.02. Overall, the sex ratios were not different significantly (χ2 = 26.757; df = 11 ; p<0.05). The data suggest that there are two spawning seasons, the first is from January to March and the second is from August to October. The monthly mean GSI values ranged from 0.32 to 3.37. The observation of length at first maturity of female was estimated as 19.58 cm (TL). The fecundity of R. kanagurta varied from 28,542 to 123,760 with an average of 56,635 eggs.

Keywords: Biology, Rastrelliger kanagurta, Aceh
Full-Text [PDF 709 kb]   (5330 Downloads)    
Type of Study: Orginal research papers | Subject: Biology & physiology
Received: 2016/07/25 | Accepted: 2016/07/25 | Published: 2016/07/25
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Arrafi M, Azmi Ambak M, Piah Rumeaida M, Muchlisin Z. Biology of Indian Mackerel, Rastrelliger kanagurta (Cuvier,1817) in the Western Waters of Aceh. IJFS. 2016; 15 (3) :957-972
URL: http://jifro.ir/article-1-2313-en.html

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Volume 15, Issue 3 (2016) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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