Pertumbuhan Ikan Tongkol Abu-Abu (Thunnus tonggol) yang Didaratkan di Pangkalan Pendaratan Ikan (PPI) Kedonganan

Longtail Tuna; growth study; PPI Kedonganan

  • Muhammad Alfiansyah Mahmud Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana
  • I Wayan Restu Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana
  • Made Ayu Pratiwi Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana
  • Gde Raka Angga Kartika Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

Abstract

Longtail Tuna fish (Thunnus tonggol) is one of economically important fish in the Bali Strait. The aim of this study was to assess the growth study of Longtail Tuna fish in the Bali Strait so as to provide an overview of the conditions and threats of Longtail Tuna fish landed at PPI Kedonganan. The study was conducted in November 2018 - January 2019. Data analysis consist of species composition, distribution of long frequencies, patterns and parameters of growth. Data processing was performed using Microsoft Excel and FISAT II. The results shown that Longtail Tuna fish landed at PPI Kedonganan included in fishermen's by-catchs and have a range of 418 mm - 643 mm. Longtail Tuna fish landed at PPI Kedonganan have growth pattern that is negative allometric (length increase is more dominant than weight gain) and parameters of growth  asymptotic length (Loo) is equal to 675.15 mm with growth coefficient (K) is 0.10/month in and a life span is 164 months.

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Published
2019-08-16
How to Cite
MAHMUD, Muhammad Alfiansyah et al. Pertumbuhan Ikan Tongkol Abu-Abu (Thunnus tonggol) yang Didaratkan di Pangkalan Pendaratan Ikan (PPI) Kedonganan. Current Trends in Aquatic Science, [S.l.], v. 2, n. 2, p. 1-8, aug. 2019. ISSN 2621-7473. Available at: <https://ojs.unud.ac.id/index.php/CTAS/article/view/49412>. Date accessed: 06 july 2020.

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