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All Journal JURNAL RISET DIWA BAHARI MARFIG: Journal of Fisheries and Marine Resource Management
Muh. Imran Lapong
Institut Teknologi dan Bisnis Maritim Balik Diwa
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Immunology & microbiology

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Asosiasi Ikan Karang Pada Media Transplantasi Rangka Model Penyu di Pulau Barrang Caddi, Kota Makassar Muh. Imran Lapong; Krisnayanti Krisnayanti; Fathuddin Fathuddin; Sri Wulandari
Jurnal Riset Diwa Bahari (JRDB) Volume 3, Nomor 2, 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v3i2.108

Abstract

Recent studies show the importance of artificial structures in supporting the recovery of coral reef ecosystems, particularly in improving the association of reef fish that play an important role in the ecological balance of tropical seas. The innovation in the use of turtle-shaped transplant skeletons is the main highlight because it is able to attract higher biodiversity than conventional methods. This study aims to evaluate the parameters of water quality, diversity index, and abundance of reef fish species associated with the transplant structure. Data collection was carried out using the Underwater Visual Census (UVC) method at two different sampling moments of the season. The first sampling is during the rainy season, and the second sampling is during the dry season. The environmental parameters measured included salinity, temperature, pH, and water currents, while biotic indicators included the Shannon-Wiener diversity index (H') and species density (ind/m²). The results showed that all water quality parameters were within the standard range of marine quality for marine life (First side: salinity 32.6 ppt; temperature 31 °C; pH 7.7; current 0.05 m/s and second sampling: salinity 32 ppt; temperature 30.6 °C; pH 7.5; current 0.07 m/s). A total of sixteen species of fish were found to be associated with transplanting media, including Plotosus lineatus, Siganus margaritiferus, Ptereleotris heteroptera, Abudefduf vaigiensis, Chromis atripectoralis, Aeoliscus strigatus, Petroscirtes mitratus, Chaetodon octofactiatus, Abudefduf sexfactiatus, Meiacanthus grammistes, Cheilodipterus artus, Cheilinus chlorourus, Siganus virgatus, Chrysiptera parasema, Synanceia verrucosa and Sargocentron xantherythrum. The first sampling showed a lower diversity value (H' = 316.76; D = 2.3 ind/m²) compared to the second sampling (H' = 322.10; D = 3.28 ind/m²). This difference is influenced by dry season conditions that lead to increased clarity and penetration of sunlight, which significantly supports the abundance of biota. These findings confirm the potential of innovative transplant structure design in supporting sustainable coral fisheries conservation.
COMPARISON OF SPECIFIC GROWTH OF VARIOUS TYPES OF CAULERPA CULTIVATED IN TRAY ON BARRANG CADDI ISLAND, MAKASSAR CITY Rahmadani Rahmadani; Muh. Imran Lapong
Journal of Fisheries and Marine Resource Management Volume 1, Issue 2, 2026
Publisher : Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/marfig.v1i2.143

Abstract

This study compared the growth performance of three Caulerpa species cultivated in tray systems on sandy substrates at Barrang Caddi Island, Makassar City, Indonesia. The experiment was conducted for 14 days using Caulerpa lentillifera, Caulerpa racemosa, and Caulerpa cylindracea under similar environmental conditions. Growth performance was evaluated based on absolute biomass growth, specific growth rate (SGR), and frond length, while water quality parameters, including temperature, salinity, and pH, were monitored to assess environmental suitability. Data were analyzed descriptively and statistically using Tukey's multiple comparison test. The results showed that all three species exhibited growth throughout the cultivation period. Caulerpa racemosa produced the highest biomass gain and specific growth rate, indicating greater adaptability to sandy substrates and more efficient nutrient utilization than the other species. In contrast, Caulerpa lentillifera achieved the greatest frond elongation, suggesting its suitability for fresh edible sea grape production. Water quality remained within the optimal range for tropical Caulerpa cultivation, with average values of 27.7°C for temperature, 29.7 PSU for salinity, and pH 8.33. These favorable environmental conditions supported continuous growth and physiological performance throughout the experiment. Overall, tray cultivation on sandy substrates proved to be a feasible cultivation method for Caulerpa, with C. racemosa recommended for maximizing biomass production and C. lentillifera preferred for commercial production targeting high-quality edible fronds. These findings provide valuable information for improving sustainable sea grape aquaculture in tropical coastal ecosystems.
THE INFLUENCE OF ADDITION OF MIANA LEAF EXTRACT (Coleus scutellarioides L. Benth) IN FEED ON THE HEPATOPANCREAS OF TIGER SHRIMP (Penaeus monodon) INFECTED WITH WHITE SPOT SYNDROME VIRUS Nurul Fadla Iftitah Jufri; Buana Basir; Muh. Imran Lapong
Journal of Fisheries and Marine Resource Management Volume 1, Issue 2, 2026
Publisher : Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/marfig.v1i2.147

Abstract

White Spot Syndrome Virus (WSSV) is one of the most destructive viral pathogens affecting tiger shrimp (Penaeus monodon) aquaculture, causing severe tissue damage, high mortality, and substantial economic losses. The excessive use of antibiotics and synthetic chemicals to control viral diseases has encouraged the exploration of natural immunostimulants derived from medicinal plants. This study evaluated the effect of dietary supplementation with Coleus scutellarioides L. Benth (miana) leaf extract on the clinical symptoms and hepatopancreatic histopathology of P. monodon experimentally infected with WSSV. A Completely Randomized Design consisting of four dietary treatments was employed: control (0 g kg⁻¹), 10 g kg⁻¹, 20 g kg⁻¹, and 40 g kg⁻¹ miana leaf extract. Shrimp were fed the experimental diets for 30 days prior to viral challenge. Clinical observations, histopathological examination of the hepatopancreas, and water quality measurements were subsequently performed. The results demonstrated that dietary supplementation with miana leaf extract markedly reduced the severity of WSSV clinical manifestations and preserved hepatopancreatic tissue integrity compared with the untreated control. Shrimp receiving 40 g kg⁻¹ extract exhibited only mild external symptoms, maintained normal feeding behavior, and showed active regeneration of hepatopancreatic epithelial cells with considerably fewer pathological lesions. In contrast, the control group exhibited extensive tubular degeneration, nuclear hypertrophy, intranuclear inclusion bodies, and severe tissue necrosis. Water quality remained within optimal ranges throughout the experiment, indicating that the observed responses were primarily attributable to dietary treatments. These findings demonstrate that dietary C. scutellarioides leaf extract, particularly at 40 g kg⁻¹ feed, functions as an effective natural immunostimulant capable of mitigating WSSV-induced pathological damage in tiger shrimp.
Co-Authors Buana Basir Fathuddin Fathuddin Krisnayanti Krisnayanti Nurul Fadla Iftitah Jufri Rahmadani Rahmadani Sri Wulandari