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Andre Rachmat S
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Journal of Fish Health (JFH) Department of Aquaculture Faculty of Agriculture, Mataram University Jl. Pendidikan No. 37 Mataram, 83125
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Kota mataram,
Nusa tenggara barat
INDONESIA
Journal of Fish Health
Published by Universitas Mataram
ISSN : -     EISSN : 27982955     DOI : https://doi.org/10.29303/jfh.v2i2
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
The Journal of Fish Health (JFH) has an objective to publish and provide high-quality scientific contributions to the field of fish health. These contributions are sourced from innovative research that encourages science and technology development in the field of fish health on a national and international scale. This journal serves as a communication medium for researchers, academics, students, and communities. This journal is published two times a year in June and December. We accept review papers and full research articles. The Journal of Fish Health’s scope includes:  1. Fish Pharmaceutical 2. Fish Environmental Health 3. Microbiology 4. Biotechnology 5. Parasitology, etc. 6. Aquaculture 7. Management of Water Resources 8. Fishery Technology 9. Capture Fisheries Technology 10. Marine Science and Technology 11. Fisheries Agribusiness The Journal of Fish Health (JFH) accepts manuscripts written in English and Bahasa (Indonesian). The Journal of Fish Health (JFH) only processes submitted original script related to the scope of fish health and not being published by other publishers. The Journal of Fish Health (JFH) is jointly published by the Department of Aquaculture, Faculty of Agriculture, Mataram University. We strongly prefer to receive manuscripts via our online submission system. Using this system, authors can upload manuscript files (text, figures, and supplementary information) directly to our system and check on the status of their manuscripts during the review process. First, kindly please register as the author, and then you should log in to submit your papers. Please don´t forget to tick the author when you make a registration.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 265 Documents
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Growth Performance and Pathological Responses of Tissue Culture and Local Kappaphycus alvarezii Seedlings in Marine Waters of Punti Village, Bima Bay, Indonesia Alis Mukhlis; Nadirah Karimatul Ilmi; Sanca Rahmatullah; Anita Prihatini Ilyas; Ardyen Saputra
Journal of Fish Health Vol. 6 No. 3 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/10.29303/jfh.v6i3.11274

Abstract

Kappaphycus alvarezii is an economically important carrageenan-producing red alga, and tissue culture has been promoted as a means of improving seedling quality and field growth performance in Indonesian seaweed farming; however, field-based evidence comparing tissue-culture and conventional (local) seedlings under commercial cultivation conditions remains limited. This study therefore compared the growth performance and disease susceptibility of tissue-culture-derived and local Kappaphycus alvarezii seedlings cultivated using the longline method in the marine waters of Punti Village, Bima Bay, West Nusa Tenggara, Indonesia, over a 45-day period. Environmental conditions remained stable and within the tolerance range reported for the species, with temperature ranging from 27–30°C, salinity from 31–33 ppt, and pH from 7.5–8.1. Tissue-culture seedlings recorded a numerically higher biomass increase (70.1%) and specific growth rate (1.18% day⁻¹) than local seedlings (68.6% and 1.17% day⁻¹, respectively); however, independent-samples t-tests showed no statistically significant difference between the two seedling types (p > 0.05). In contrast, the seedling types differed markedly in disease response: tissue-culture seedlings exhibited pronounced susceptibility to ice-ice disease, marked by thallus structural damage and characteristic white discoloration, whereas local seedlings retained comparatively higher disease resistance. These results indicate that, under field conditions, propagation method had little influence on short-term growth but a substantial influence on disease susceptibility, suggesting that seedling resilience—rather than growth rate alone—should guide cultivation strategy in ice-ice-prone waters such as Bima Bay.
Environmental Friendliness Level of Belat Fishing Gear in the Waters of Nipah Panjang II Tanjung Jabung Timur Regency Ulfa Ninda Rizki; Filawati Filawati; Putinur Putinur; Mairizal Mairizal; Ester Restiana Endang Gelis; Dwinda Pangentasari
Journal of Fish Health Vol. 6 No. 3 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v6i3.11305

Abstract

Tanjung Jabung Timur Regency is a fairly extensive fishing ground, with fisheries production reaching 25,017.89 tons. Nipah Panjang II Sub-district is a coastal area where the majority of residents work as fishers. These fishers use various types of fishing gear, one of which is the belat. Belat is a passive fishing gear that relies on the tidal cycle. This study aimed to determine the level of environmental friendliness of the belat fishing gear operated in the waters of Nipah Panjang II, Tanjung Jabung Timur Regency. The research was conducted from February to March 2026 using an observational method, with samples selected through purposive sampling of 10 belat fisherman. The data collected concerned the environmental friendliness level of the belat fishing gear. Data were analyzed based on the nine criteria of the Code of Conduct for Responsible Fisheries (CCRF). The results showed that the belat fishing gear obtained an average score of 26.8, which falls into the environmentally friendly category. This fishing gear is considered reasonably consistent with the principles of sustainable fisheries, as it does not cause major habitat damage, safe for fisherman, produces catches that are safe for consumption, and is socially accepted by the fishing community. However, several aspects still require attention, particularly low selectivity, relatively high by-catch, and the possibility of catching protected fish species. Overall, the belat fishing gear can be categorized as environmentally friendly, although management improvements are still needed to better align it with the principles of sustainable fisheries.
Potential of Local Microalgae from Lembar Bay Waters for Climate Change Mitigation: Insights from Photosynthetic Assimilation Index Damai Diniariwisan; Alis Mukhlis; Bagus Dwi Hari Setyono; Awan Dermawan; Rizky Regina Kawirian; Sri Hikmah Wulandari
Journal of Fish Health Vol. 6 No. 3 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v6i3.11802

Abstract

Climate change mitigation requires innovative approaches to reduce atmospheric carbon dioxide (CO₂) through efficient and sustainable carbon fixation. Microalgae are promising biological agents because of their photosynthetic capacity to assimilate inorganic carbon into biomass. This study aimed to assess the potential of local microalgae communities in Lembar Bay waters, West Lombok, as carbon assimilation agents based on the relationship between chlorophyll-a, net primary productivity (NPP), and assimilation index. The study was conducted from March to May 2026 at five sampling stations, with three sampling periods at 30-day intervals. Phytoplankton samples were collected using a plankton net and identified microscopically, while chlorophyll-a was analyzed spectrophotometrically. NPP was determined using the light-and-dark bottle method based on changes in dissolved oxygen during a six-hour incubation period. The relationships among environmental parameters, chlorophyll-a, and NPP were analyzed using Spearman correlation. The results showed a relatively strong positive correlation between chlorophyll-a and NPP (r = 0.727), indicating that higher phytoplankton biomass was associated with greater photosynthetic productivity. Chlorophyll-a showed weak correlations with nitrate (r = −0.045) and phosphate (r = −0.107). The assimilation index varied among stations, ranging from 6.13 to 11.51 (mg C mg Chl-a⁻¹ hour⁻¹), with the highest value at Station 4 and the lowest at Station 5. These findings indicate that local microalgae in Lembar Bay have potential for biological carbon assimilation and may support climate change mitigation. However, further species-specific cultivation and controlled photobioreactor experiments are required to validate their CO₂ fixation capacity and long-term carbon sequestration potential.
The Effectiveness of Gracilaria sp. as a Biofilter in Reducing Aquaculture Waste Based on Planting Location in the Waters of Ujung Betok, East Lombok Septiana Dwiyanti; Bagus Dwi Hari Setyono; Awan Dermawan; Muhammad Sumsanto; Muhammad Marzuki; Arman Ainul Ramdani
Journal of Fish Health Vol. 6 No. 3 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v6i3.11857

Abstract

Aquaculture waste can increase dissolved inorganic nutrient concentrations, making seaweed-based treatment an important component of integrated biological nutrient management. This study aimed to evaluate strategic planting locations of Gracilaria sp. around floating net cages and assess its effectiveness as a natural biofilter for reducing nitrogenous waste in Ujung Betok waters, East Lombok. A Completely Randomized Design (CRD) was applied with three planting-distance treatments and three replicates. Total Ammonia Nitrogen (TAN) concentrations ranged from 0.29–0.31 mg/L at the beginning and 0.24–0.29 mg/L at the end of the 30-day culture period. ANOVA showed no significant difference in initial TAN among treatments (p = 0.868), whereas final TAN differed significantly among planting locations (p = 0.001). Final total nitrogen content in Gracilaria sp. tissue ranged from 0.287–0.330%, with the highest value in T2 (0.330 ± 0.050%), followed by T3 (0.303 ± 0.006%) and T1 (0.287 ± 0.015%). Planting location did not significantly affect tissue total nitrogen content (p > 0.05). Tissue nitrogen reduction was 13.03% in T1, 0.00% in T2, and 8.18% in T3. TAN reduction was highest in T1, decreasing from 0.31 to 0.24 mg/L or 22.58%, followed by T2 at 3.33%, while T3 showed no reduction. These results indicate that Gracilaria sp. can contribute to nitrogen removal, with the 25 m planting location showing the best biofiltration performance.
Cover, Editorial Boards, Table of Contents Andre Rachmat Scabra
Journal of Fish Health Vol. 6 No. 3 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/cv4jm108

Abstract

Cover, Editorial Boards, Table of Contents

Page 27 of 27 | Total Record : 265

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