The Reproductive Biology of Scad Fish (Decapterus sp.) at Pelabuhan Perikanan Nusantara Pengambengan Jembrana, Bali

  • Odjastira Vidyastari Udayana University
  • Ni Luh Watiniasih Udayana University
  • Dewa Ayu Angga Pebriani Udayana University

Abstract

Scad fish is one of the economically important fish species, which landed in Pengambengan fishing port. This study aimed to investigate the biological aspects of scad fish such as its growth, measured length and weight, and reproduction aspects such as sex ratio, gonad maturity level (GML), gonad maturity index (GMI), and fecundity. Method in this research is observation. Samples of scad fish were collected every two weeks using the simple random sampling. The total number of samples was 200 fishes, collected from November to December 2019. The result showed that length 18.3-23.06 cm and weight 53.31-112.58 g. The sex ratio of male and female was 1.2:1 consisting of 122 males and 88 females. Scad fish found had 97 fishes GML III, 96 fishes GML IV, and 7 fishes having GML V. GMI value scad fish is 0,014%-0,074%, that fish spawn more than once every year and fecundity was 7687-40588.

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Author Biographies

Odjastira Vidyastari, Udayana University

Water Resource Management, Faculty of Marine Science and Fisheries

Ni Luh Watiniasih, Udayana University

Department of Biology, Faculty of Mathematics and Natural Sciences

Dewa Ayu Angga Pebriani, Udayana University

Department of Biology, Faculty of Mathematics and Natural Sciences

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Published
2020-02-28
How to Cite
VIDYASTARI, Odjastira; WATINIASIH, Ni Luh; PEBRIANI, Dewa Ayu Angga. The Reproductive Biology of Scad Fish (Decapterus sp.) at Pelabuhan Perikanan Nusantara Pengambengan Jembrana, Bali. Advances in Tropical Biodiversity and Environmental Sciences, [S.l.], v. 4, n. 1, p. 26-29, feb. 2020. ISSN 2622-0628. Available at: <https://ojs.unud.ac.id/index.php/ATBES/article/view/58997>. Date accessed: 03 july 2020. doi: https://doi.org/10.24843/ATBES.2020.v04.i01.p06.
Section
Articles