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All Journal Jurnal Kelautan Tropis Makara Journal of Science Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Nur, Firman M.
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Earth & Planetary Sciences Education Engineering

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Komparasi Morfometrik, Pola Pertumbuhan Dan Faktor Kondisi Ikan Genus Scarus Dari Perairan Pulau Weh, Aceh Zulfahmi, Ilham; Al Isna, Nadia; Agustina, Imelda; Maghfiriadi, Furqan; Nafis, Badratun; Nur, Firman M.; Latuconsina, Husain
Jurnal Kelautan Tropis Vol 27, No 1 (2024): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v27i1.20746

Abstract

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.
Assessment of Fish Biodiversity of the Cimandiri Watershed, West Java, Indonesia Gustiano, Rudhy; Haryono, Haryono; Wahyudewantoro, Gema; Krismono, Krismono; Rusdianto, Rusdianto; Nur, Firman M.
Makara Journal of Science Vol. 29, No. 1
Publisher : UI Scholars Hub

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Abstract

Information on the fish biodiversity of the Cimandiri Watershed is incomplete, and human activities and anthropogen-ic impacts pose a significant threat to this biodiversity. The purpose of this study was to assess the biodiversity of fish in the Cimandiri Watershed. The results indicated that fish biodiversity in the area included 104 species belonging to 49 families. There were 26 species in the upstream area, 47 species in the middle area, and 61 species in the downstream area. Forty-three species were native to Indonesia, and 7 of the native fish were endemic to the area. There were 11 introduced species belonging to 6 families. Analysis of biodiversity status shows that 4 species were threatened, 2 spe-cies were near-threatened, 76 species were less considered, and 18 species have not yet been evaluated. Among the economically important species present, the eel is the most common in the Cimandiri Watershed. This study has re-vealed the profile of the Cimandiri Watershed, the characteristics of its ecosystem, fish biodiversity, economically im-portant fish species, the conservation status of fish species, and the threats to the fish biodiversity within it.
Effect of adding -glucan in feed on the growth rate of White Snapper (Lates calcarifer) fingerling Perdana, Adli Waliul; Mellisa, Siska; Hotmartupa Siahaan, Jadi Yakin; Arisa, Iko Imelda; El Rahimi, Sayyid Afdhal; Nur, Firman M.; Maulida, Siti
Depik Vol 11, No 2 (2022): August 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.2.23361

Abstract

White snapper Lates calcarifer is one of the marine fish commodities that has important economic value. The addition of immunostimulant ingredients in feed is believed to increase immunity and increase fish growth. This study aims to determine the effect of adding -glucan to feed on white snapper (Lates calcarifer). This study used a completely randomized design (CRD) consisting of 5 treatments with 3 repetitions. White snapper used with a weight of 6 grams and a length of 7. The frequency of feeding is done 3 times a day. The results of the ANOVA test showed that the addition of -glucan in the feed significantly affected the growth rate of the fry of white snapper (Lates calcarifer) (P0.05). The best treatment in this study was treatment E (commercial feed + -glucan 8g/kg feed) which gave the best growth in White snapper where this treatment was able to increase absolute weight (4.51 0.29), absolute length (4 .84 0.284), specific growth rate (2.09 0.15), FCR (1.00 1.00), feed utilization efficiency (97.42 0.50) and survival (100.00 0.00).
Diversity of commercially important grouper (Family: Epinephelidae) in Simeulue and Banyak Islands, Aceh, Indonesia Razi, Nanda Muhammad; Muchlisin, Zainal A.; Ramadhaniaty, Mutia; Damora, Adrian; Nur, Firman M.; Siti-Azizah, Mohd Nor; Fadli, Nur
Depik Vol 11, No 1 (2022): April 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.1.23790

Abstract

Grouper is one of the economically important fish groups in the Simeulue and Banyak Islands. However, data on the diversity of the grouper in this region is still limited. This study aimed to inventory the commercially important grouper in Simeulue and Banyak Islands. Sampling was carried out in April - September 2021 at sixteen locations around Simeulue and Banyak Islands. In total, 20 species of commercial grouper consisting of 6 genera were recorded during the study. Epinephelus was the most dominant genus with ten species, followed by Cephalopholis with four species. In addition, seventeen species (85%) were included in the Least Concern (LC), two species (10%) were categorized as Vulnerable (VU), and one species (5%) was Data Deficient (DD). This study provides a database of commercially important grouper in Simeulue and Banyak Islands that can be used to manage the fish group.
Grouper DNA barcoding studies in Indonesia: A short review Razi, Nanda Muhammad; Muchlisin, Zainal A.; Maulida, Siti; Ramadhaniaty, Mutia; Nur, Firman M.; Damora, Adrian; Buang Manalu, Sumarni Laila; Fadli, Nur
Depik Vol 10, No 2 (2021): August 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.10.2.21255

Abstract

Indonesia is recognized as one of the territories that have the highest reef fish biodiversity in the world. One of the commercially valuable fish in this area is the groupers (locally name "kerapu"). At least 76 grouper species have been reported in Indonesian waters, with three species were categorized into "vulnerable", five species "Data Deficient", and 68 species under the "Least Concern" category based on IUCN classification. The increasing exploitations rate had been reported caused the grouper stocks in Indonesia to decrease and threatened extinction. However, only limited scientific data is available regarding the grouper in Indonesia, including their identification. In most fish landing sites across Indonesia, the groupers are morphologically identified and recorded as "kerapu" to replace their scientific species names. Accurate species identification is essential in designing appropriate and sustainable management of fisheries resources. One of the tools that have been used in fish identification is DNA barcoding. In the last two decades, this molecular method has been applied to identify many fish groups globally, including grouper fish. This study reviewed the DNA barcoding approach in grouper identification in Indonesia based on the available literature.Keywords:DNA barcodingGrouperMolecular TaxonomyFisheriesIndonesia
Critical thermal limit and behavior of the Barramundi (Lates calcarifer Bloch, 1790) fingerling exposure with different temperature Amir, Fachrurozi; Nur, Firman M.; Fadli, Nur; Muchlisin, Zainal Abidin
Depik Vol 10, No 1 (2021): April 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.10.1.20287

Abstract

Barramundi (Lates calcarifer) is one of the commercial fish in Indonesia. The phenomenon of climate change due to global warming has affected the life of aquatic biota, including fish. The objectives of the present study were to determine a critical thermal maximum (CTMax) and the behavior of Barramundi (L. calcarifer) due to the increase in water temperature. The research was conducted at the Fishing Technology Laboratory, Faculty of Marine and Fisheries, Universitas Syiah Kuala in February 2021. The experiment was conducted in 10 aquariums equipped with heaters. The initial temperature of the treatment was 28oC and increased gradually every one minute by 0.2oC. The results showed that the abnormal behavior of Barramundi fingerling was started to appear at 37oC where the fish began to swim fast, then swim sideways at 38oC-39oC, hit the container wall at 39oC-40oC, jumped and weakened then dead at 40oC and 41oC. The average critical temperature of Barramundi fingerling was recorded at a temperature of 41oC within 65 minutes. Therefore, it is concluded that the Barramundi (L. calcarifer) display an abnormal behavior above the temperature of 35oC, however, they can survive up to 42oC exposure for 70 minutes.Keywords:Critical thermal maximumTemperature riseGlobal warming
Co-Authors Adrian Damora agustina, imelda Al Isna, Nadia Amir, Fachrurozi Buang Manalu, Sumarni Laila El Rahimi, Sayyid Afdhal Gema Wahyudewantoro, Gema Haryono Haryono Hotmartupa Siahaan, Jadi Yakin Husain Latuconsina Iko imelda arisa, Iko imelda Ilham Zulfahmi Jayawarsa, A.A. Ketut Krismono Krismono Maghfiriadi, Furqan Maulida, Siti Nanda Muhammad Razi Nur Fadli Perdana, Adli Waliul Ramadhaniaty, Mutia Rudhy Gustiano Rusdianto Rusdianto, Rusdianto Siska Mellisa Siti-Azizah, Mohd Nor ZAINAL ABIDIN MUCHLISIN