亚齐省威岛水域箭鱼属鱼类的形态计量学、生长模式和状态因子比较

Ilham Zulfahmi, Nadia Al Isna, Imelda Agustina, Furqan Maghfiriadi, Badratun Nafis, F. M. Nur, Husain Latuconsina
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Morphometric comparisons and condition factors between fish species were analyzed using one-way ANOVA followed by the Least Significant Difference Test (LSD) and discriminant function test. Meanwhile, comparative growth patterns were analyzed descriptively. The research results show that dorsal finbase length, pectoral fin length, and caudal peduncle depth were key characters in distinguishing the three species of scarus fish. A comparison of morphometric characters between Scarus quoyi and Scarus rubroviolaceus showed a  63.6% different character. Meanwhile, both Scarus rubroviolaceus and Scarus niger, and Scarus quoyi and Scarus niger showed a  54.5% different character. All scarus fish in this study had a negative allometric growth pattern (b<3) with condition factor values ranging from 1.008 to 1.020. 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引用次数: 0

摘要

绯鲵在支持珊瑚礁健康方面发挥着重要的生态作用。遗憾的是,有关疤鲉的形态变化、生长模式和状态因子的研究仍处于探索阶段。因此,本研究旨在描述从亚齐省 Pulau Weh 水域采集的疤腹鱼(Scarus quoyi、Scarus rubroviolaceus 和 Scarus niger)的形态测量变化、生长模式和状态因子。每个物种有多达 50 条鱼是通过渔民捕获的。调查的主要参数包括形态比较、长度和重量分布、生长模式和状态因子。测量的形态特征数量为 12 个。鱼类物种之间的形态比较和条件因子采用单因素方差分析,然后进行最小显著差异检验(LSD)和判别函数检验。同时,对生长模式的比较进行了描述性分析。研究结果表明,背鳍基部长度、胸鳍长度和尾柄深度是区分三种疤鲉的关键特征。对鲤鱼和鲫鱼的形态特征进行比较后发现,两者的差异达到了 63.6%。同时,红鲤和黑鲤,以及鲤鱼和黑鲤的特征差异为 54.5%。本研究中的所有疤鲉均呈负异速生长模式(b<3),条件因子值在 1.008 至 1.020 之间。为获得全面信息和支持可持续发展计划,必须努力提高渔具选择性,并进一步开展与绯鲵生殖生物学相关的研究。 绯鲵在维护珊瑚礁健康方面发挥着重要的生态作用。遗憾的是,有关绯鲵属鱼类的形态变化、生长模式和状态因素的研究仍然很少。本研究旨在分析从亚齐省威岛水域采集的疤属鱼类(Scarus quoyi、Scarus rubroviolaceus 和 Scarus niger)的形态变化、生长模式和状态因子。每个鱼种的分析样本数量为 50 条,均从渔民捕获的鱼类中获得。分析的主要参数包括形态比较、长度和体重等级间隔分布、生长模式和状态因子。测量的形态特征数量为 12 个。鱼类物种之间的形态比较和状态因子采用单因素方差分析,然后进行最小显著差异检验(BNT)和判别函数检验。同时,对生长模式比较进行了描述性分析。结果表明,背鳍长度、胸鳍长度和尾柄高度是区分疤腹鱼属三个鱼种的关键特征。对鲤鱼和鲫鱼的形态特征进行比较后发现,两者的特征差异率为 63.6%。同时,红鲤与黑鲤以及鲤鱼与黑鲤的特征差异率均为 54.5%。所有这三种疤鲤都具有负异速生长模式(b<3),条件因子值从 1.008 到 1.020 不等。努力开发渔具选择性和进一步研究疤鲉属鱼类生殖生物学的相关方面对于获取全面信息以支持可持续性和可持续利用非常重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Komparasi Morfometrik, Pola Pertumbuhan Dan Faktor Kondisi Ikan Genus Scarus Dari Perairan Pulau Weh, Aceh
Scarus fish play an important ecological role in supporting the health of coral reefs. Unfortunately, studies related to morphometric variations, growth patterns and condition factors of scarus fish are still unexplored. Hence, this research aimed to describe morphometric variations, growth patterns and condition factors of scarus fish (Scarus quoyi, Scarus rubroviolaceus and Scarus niger) collected from Pulau Weh water, Aceh. As many as  50 fish for each species were obtained through fishermen's catches. The main parameters investigated include morphometric comparisons, length and weight distribution, growth patterns and condition factors. The number of morphometric characters measured was 12 characters. Morphometric comparisons and condition factors between fish species were analyzed using one-way ANOVA followed by the Least Significant Difference Test (LSD) and discriminant function test. Meanwhile, comparative growth patterns were analyzed descriptively. The research results show that dorsal finbase length, pectoral fin length, and caudal peduncle depth were key characters in distinguishing the three species of scarus fish. A comparison of morphometric characters between Scarus quoyi and Scarus rubroviolaceus showed a  63.6% different character. Meanwhile, both Scarus rubroviolaceus and Scarus niger, and Scarus quoyi and Scarus niger showed a  54.5% different character. All scarus fish in this study had a negative allometric growth pattern (b<3) with condition factor values ranging from 1.008 to 1.020. Efforts to develop fishing gear selectivity and further research related to reproductive biology aspects of the scarus fish are essential to obtain comprehensive information and support sustainability programs.  Ikan genus scarus memiliki peran ekologis penting memelihara kesehatan terumbu karang. Sayangnya, kajian terkait variasi morfometrik, pola pertumbuhan dan faktor kondisi ikan genus scarus masih minim diungkap. Penelitian ini bertujuan untuk menganalisis variasi morfometrik, pola pertumbuhan serta faktor kondisi ikan genus scarus (Scarus quoyi, Scarus rubroviolaceus dan Scarus niger) yang dikoleksi dari perairan Pulau Weh, Aceh. Jumlah sampel ikan yang dianalisis untuk masing-masing spesies berjumlah 50 ekor yang diperoleh melalui hasil tangkapan nelayan. Parameter utama yang dianalisis meliputi komparasi morfometrik, distribusi selang kelas panjang dan bobot, pola pertumbuhan serta faktor kondisi. Jumlah karakter morfometrik yang diukur sebanyak 12 karakter. Komparasi morfometrik dan faktor kondisi antar jenis ikan dianalisis menggunakan ANOVA satu arah diikuti dengan Uji Beda Nyata terkecil (BNT) dan uji fungsi diskriminan. Sementara itu, komparasi pola pertumbuhan dianalisis secara deskriptif. Hasil penelitian menunjukan bahwa panjang sirip dorsal, panjang sirip pektoral, dan tinggi batang ekor merupakan karakter kunci yang dapat membedakan ketiga spesies ikan genus scarus. Komparasi karakter morfometrik antara Scarus quoyi dengan Scarus rubroviolaceus menunjukkan persentase perbedaan karakter sebesar 63,6%. Sementara itu, baik antara Scarus rubroviolaceus dan Scarus niger maupun Scarus quoyi dengan Scarus niger sama- sama menunjukkan persentase perbedaan karakter sebesar 54,5%. Ketiga ikan scarus memiliki pola pertumbuhan alometrik negatif (b<3) dengan nilai faktor kondisi berkisar antara 1.008 hingga1.020. Upaya pengembangan selektivitas alat tangkap dan penelitian lanjutan terkait aspek biologi reproduksi ikan genus scarus penting dilakukan untuk mendapatkan informasi yang komprehensif dalam upaya mendukung kelestarian dan pemanfaatan yang berkelanjutan.
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