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Articles | Tropical Oceanographic Research Frontiers | Volume 1 - Issue 1 - 2026 | 63−73 |
© 2026 by the author(s), and is licensed under the Creative Commons Attribution 4.0 International (CC BY 4.0) License Creative Commons Attribution 4.0 International (CC BY 4.0) License

Growth Parameters of Yellowfin Tuna (Thunnus albacares) in Fisheries Management Area (WPP) 573, Southern Waters of Nusa Tenggara Barat Indonesia

Author(s): Murniati 1 , Ayu Adhita Damayanti 1 , 2 , , Soraya Gigentika 1 , 2 , , Amrollah 3 , Muhammad Taeran 3
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1 Marine Science Study Program, Faculty of Agriculture, University of Mataram, West Nusa Tenggara, Indonesia
2 Scientific Forum for Sustainable Fisheries Management, West Nusa Tenggara Province, Indonesia
3 Masyarakat dan Perikanan Indonesia (MDPI) Foundation, Sumerta, Denpasar Timur, Denpasar, Bali, Indonesia

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Tropical Oceanographic Research Frontiers

Volume 1 - Issue 1 - 2026

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This study aimed to determine the growth parameters of yellowfin tuna (Thunnus albacares) in the Indonesian Fisheries Management Area (WPP) 573 in the southern waters of West Nusa Tenggara. The data consisted of primary data collected from March to June 2025 through direct measurements at UD Versace, as well as secondary data collected from July 2024 to February 2025, obtained with permission from the Masyarakat dan Perikanan Indonesia (MDPI) Foundation. The secondary data were analyzed independently by the authors, and the interpretations and conclusions presented did not necessarily reflect the institutional position of MDPI. A total of 1,027 yellowfin tuna samples were analyzed. The results showed that the yellowfin tuna caught exhibited a varied size range, with most individuals measuring between 137.74 and 145.55 cm. Most of the fish sampled had reached gonadal maturity. The length–weight relationship analysis produced the equation W = 0.00003L².⁸⁸⁵⁹, with a b value of 2.8859, indicating a negative allometric growth pattern (b < 3). The Von Bertalanffy growth model analysis estimated an asymptotic length (L∞) of 193.00 cm and a theoretical age at zero length (t₀) of −0.53 years. The growth coefficient (K) was 0.34 year⁻¹, suggesting relatively rapid growth. The theoretical maximum age (tmax) was estimated at approximately 8.2 years. Overall, growth in yellowfin tuna was rapid during the early life stages and gradually slowed as it approached the theoretical maximum length.

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SUBMITTED: 11 November 2025
ACCEPTED: 13 April 2026
PUBLISHED: 15 April 2026
SUBMITTED to ACCEPTED: 153 days

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