STUDI ASPEK REPRODUKSI IKAN KEMBUNG LELAKI  (Rastrelliger kanagurta, Cuvier 1817) PADA MUSIM PERALIHAN  DI SELAT MADURA

Susanti, Evi; Setyanto, Arief; Setyohadi, Daduk; Jatmiko, Irwan

doi:10.15578/bawal.11.1.2019.45-58

Cited by 5 publications

(8 citation statements)

References 5 publications

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“…The sex ratio of maturity stage IV Indian mackerel is 1: 0.79, which consists of 166 male fish and 131 female fish. This is similar to research conducted by [26], which states that male fish dominate the sex ratio of Indian mackerel in the Madura Strait. Differences in sex ratio can be caused by fish reproductive behavior, environmental conditions, and fishing activities [27].…”

Section: Resultssupporting

confidence: 89%

Reproductive biology of Indian mackerel, Rastrelliger kanagurta (Cuvier, 1816) in the southern waters of West Java (FMA 573)

Nurfaiqah,

Kurniawan,

Simanjuntak

et al. 2023

E3S Web Conf.

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Indian mackerel is a small pelagic fish with important economic value in Java Island. This study aims to analyze the reproductive characteristics and determine management recommendations for the Indian mackerel in the southern waters of West Java. Fish monthly sampling collection was conducted at three fish landing ports: PPI Ciwaru, PPN Palabuhanratu, and PPI Binuangeun from July to December 2022. A total of 1,038 fish samples, comprised of 582 males and 456 females, were examined. The sex ratio was unbalanced, with a value of 1:0.79. Gonadosomatic indexes ranged from 0.19-0.95 and 0.45-3.41 for males and females, respectively. The fish fecundity ranged from 27,027 to 87,837 eggs. The Indian mackerel is predicted to spawn every month, with a peak season in August, and performs a total spawner pattern. The Indian mackerel reached the size of the first maturity gonad at 198.5 mm and 197 mm for males and females, respectively. Management strategies for Indian mackerel in the southern waters of West Java include setting the catch size above the first mature gonad size (197 mm), the mesh size of gillnets above 1.5 inches, and limiting fishing activities during the spawning season (July, August, and September).

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Section: Resultssupporting

confidence: 89%

Reproductive biology of Indian mackerel, Rastrelliger kanagurta (Cuvier, 1816) in the southern waters of West Java (FMA 573)

Nurfaiqah,

Kurniawan,

Simanjuntak

et al. 2023

E3S Web Conf.

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“…Perbedaan nilai laju mortalitas alami R. kanagurta di wilayah perairan yang berbeda dikarenakan adanya perbedaan nilai koefisien pertumbuhan (K). Semakin tinggi nilai koefisien pertumbuhan, maka semakin tinggi nilai laju mortalitas alami (Fauzi et al 2021).…”

Section: Metode Penelitianunclassified

DINAMIKA POPULASI IKAN KEMBUNG LELAKI (Rastrelliger kanagurta) DI TELUK KUPANG, PROVINSI NUSA TENGGARA TIMUR, INDONESIA

Kurnia,

Yahyah,

Toruan

2023

JPK UNTIRTA

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Indian mackerel (Rastrelliger kanagurta) in the waters of Kupang Bay is part of the wealth of biological resources that the population needs to be maintained in order to be sustainable. High exploitation rate of Indian mackerel fish is due to the large market demand and high levels of consumption, causing many fishermen to carry out continuous fishing. This research aims to determine the growth patterns and dynamics of fish populations which can be used to determine the utilization conditions of R. kanagurta through estimating growth parameters. in the waters of Kupang Bay. The research was conducted in September 2022. Total sample of fish was 150. The data collected includes length and total weight. Data analysis used Microsoft Excel software which was used to analyze the relationship between length and weight and FISAT II was used to analyze fish growth parameters. The results of the analysis of the long-weight relationship between male and female mackerel showed that the growth pattern was negatif allometric with estimated of growth parameters L∞ = 28.40 cm, K = 0.51 years, and t0 = -0.32 years. The total mortality rate (Z) was 4,68, the natural mortality rate (M) was 1,17, the mortality rate from fishing (F) was 3,5, and the exploitation rate (E) was 0,75 per year.

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“…(2017) memijah pada bulan November di perairan Kwandang dan di perairan Madura yaitu bulan Maret-April (Susanti et al 2019).…”

Section: Pembahasanunclassified

Ukuran Layak Tangkap Ikan Pelagis Kecil Di Perairan Kendari, Sulawesi Tenggara

Widiyastuti¹,

Herlisman²,

Pane³

2021

Jurnal Marfis

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The small pelagic resources in the waters of Kendari (FMA 714) that are dominant are mackerel scad (Decapterus macarellus) and Indian mackerel (Rastrelliger kanagurta). Fishing in these waters uses a mini purse seine, with the production of 2 species of fish has reached 38.2% of the total allowed catch FMA 714. Because of intensive use, management needed to preserve resources. The purpose of this study is to determine the decent size based on a comparison of length of the first capture (Lc) and the length of first mature (Lm), and prediction of spawning season. Data collection was conducted by researchers and assisted by enumerators monthly. The results showed that the size of the mackerel scad in between 17.5 - 30.5 cm FL (n = 3207 tails). The size of the Indian mackerel found between 18.5 - 26.5 cm FL (n = 2556). The length at first captured of both species was larger than the size at first matured (Lm> Lc) so that the decent size is 23 cm FL for mackerel scad and 22 cm FL for Indian mackerel. The prediction of the spawning season in May-August can be the basis for closing the area during the spawning season. Keywords: : mackerel scad, Indian mackerel, mini purse seine, decent size, FMA 714

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STUDI ASPEK REPRODUKSI IKAN KEMBUNG LELAKI (Rastrelliger kanagurta, Cuvier 1817) PADA MUSIM PERALIHAN DI SELAT MADURA

Cited by 5 publications

References 5 publications

Reproductive biology of Indian mackerel, Rastrelliger kanagurta (Cuvier, 1816) in the southern waters of West Java (FMA 573)

Reproductive biology of Indian mackerel, Rastrelliger kanagurta (Cuvier, 1816) in the southern waters of West Java (FMA 573)

DINAMIKA POPULASI IKAN KEMBUNG LELAKI (Rastrelliger kanagurta) DI TELUK KUPANG, PROVINSI NUSA TENGGARA TIMUR, INDONESIA

Ukuran Layak Tangkap Ikan Pelagis Kecil Di Perairan Kendari, Sulawesi Tenggara

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