F.M. Nur, A.S. Batubara, N. Fadli, S. Rizal, M.N. Siti-Azizah, Z.A. Muchlisin
The Betta broodfish supply in Indonesia majorly comes from wild populations and fetches a higher price compared to hatchery cross-breeds, especially Betta rubra. This condition exerts pressure on the wild populations. Therefore, this study aims to examine the diversity, distribution, and conservation status of Betta fish species list in the study area. A total of 422 Betta fishes were collected from January 2019 to January 2021 from 19 of 59 sampling locations surveyed, consisting of four species, namely, Betta imbellis (TL: 14.09–31.98 mm; BW: 0.03–0.39 g), B. splendens (TL: 21.09–40.14 mm; BW: 0.05–0.70 g), B. rubra (TL: 11.35 to 47.80 mm; BW: 0.02–0.90 g), and B. dennisyongi (TL: 20.09–47.81 mm; BW: 0.07–0.91 g). There are four Betta species occurred in Aceh waters, namely B. dennisyongi, B. rubra, B. splendens, and B. imbellis. The results showed that B. dennisyongi was found at 8 sampling locations and had higher local distribution (13.56% LD) followed by B. rubra (8.47% LD), B. splendens (6.78% LD) and B. imbellis which had the lowest distribution and was only found in two locations (3.39% LD). Furthermore, field measurements (in situ) of water quality in the wild habitat showed temperature ranging from 23.7 to 31.9°C while pH ranged from 5.24 to 8.51. Based on the IUCN Redlist data, B. rubra is categorized as being critically endangered. © 2022 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.
Graduate School of Mathematics and Applied Science, Universitas Syiah Kuala, Banda Aceh, Indonesia; Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, Medan, Indonesia; Department of Marine Science, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, Indonesia; Institute of Marine Biotechnology, Universiti Malaysia Terengganu, Terengganu, Malaysia; Department of Aquaculture, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, Indonesia; Center for Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, Indonesia
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