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M.Khairul Anam
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Grouper: Jurnal Ilmiah Perikanan
Published by Universitas Islam Lamongan
ISSN : 20868480     EISSN : 27162702     DOI : https://doi.org/10.30736/grouper.v10i2
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Veterinary
Jurnal GROUPER menyediakan publikasi ilmiah dan menyebarluaskan artikel asli dan berkualitas yang berhubungan dengan disiplin ilmu perikanan yang meliputi: Pengelolaan Sumber Daya Perairan, Pengelolaan Wilayah Pesisir, Pengendalian Pencemaran Perairan, Kebijakan Pembangunan Perikanan, Agrobisnis Perikanan, Sosial Ekonomi Perikanan, Penyuluhan Masyarakat Perikanan.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 199 Documents
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Annelid Biodiversity In Dead Corals Against Pollution In Tarahan Island Baretta Ari Nauli; Zahra Amalia Putri; Rita Arisma Banjarnahor; Habil Hisyam; Bagas Septian Pratama; A'tha Dhafa Bayu Setya; Moch Saad; Prakas Santoso; Afifah Nurazizatul Hasanah
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.324

Abstract

Tarahan Island is one of the small islands located in the waters of Banten Bay, Banten Province. This study aims to determine the cryptic organisms found on dead corals and determine the level of seawater pollution with TSS, BOD, COD parameters used as variables for assessing the status of water pollution in Tarahan Island, Banten. The method used in this research is using Purposive Sampling location determination. Data collection was carried out on March 26, 2025 to May 15, 2025 on Tarahan Island. Based on the results of the study found 42 individuals of the phylum Annelida. The most common species found was Alitta Succinea. The results of TSS research showed an average concentration of 377.77778 mg/L and BOD had an average concentration of 0.616667 mg/L.
Primary Productivity Based on Chlorophyll-a Concentration in the Luk Ulo River Estuary, Kebumen Regency, Central Java Rahma Wati, Yunita; Herawati, Heti; Akbarsyah, Nora; Zahidah
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.325

Abstract

The Luk Ulo River estuary is one of the water areas in Kebumen Regency that leads directly to the Indian Ocean. The discharge of waste from river flows that lead into the Luk Ulo River estuary, along with sand and stone mining activities, is believed to be the primary cause of damage to the aquatic ecosystem. Water quality in a water body can affect the primary productivity of the estuary. The objective of this research is to evaluate the primary productivity by analyzing chlorophyll a concentration, which serves as an indicator of the trophic status of the water. This research was conducted from January to February 2025. This research utilizes the method of survey method with a purposive sampling technique. Based on the results of the research, the average chlorophyll a concentration in the Luk Ulo River Estuary ranges from 3.91 to 5.74 mg/m³. The average value of primary productivity during the study was in the range of 124.96-149.24 mgC/m3/day, including in less fertile waters, or can be said to be oligotrophic because the average is in the range of 0-200 mgC/m3/day. The water quality in the Luk Ulo River Estuary generally complies with Class II and III quality standards, as stipulated in Government Regulation No. 22 of 2021 regarding the Implementation of Environmental Protection and Management.
Microplastic Analysis in Mackarel Tuna and Milkfish at Selili Fish Landing Site, East Kalimantan Mahesa Islamy Eka Juniar; Abdunnur; Moh Mustakim; Irwan Suyatna; Fitriyana
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.326

Abstract

Microplastic pollution in coastal waters poses a serious threat to marine ecosystem sustainability and food safety. However, data on microplastic contamination in edible fish from the Selili Fish Landing Station (PPI Selili), Samarinda, remains limited. This study aimed to identify the types and abundance of microplastics in mackarel tuna (Euthynnus affinis) and milkfish (Chanos chanos), and to analyze the relationship between fish size and microplastic count. The methodology involved random sampling, microplastic extraction from digestive tracts using 22% KOH solution, and statistical analysis using ANOVA and linear regression. The results showed that mackarel tuna contained an average of 3.87 particles per individual, while milkfish had 1.8 particles per individual. The dominant type of microplastic in both species was film (>80%). ANOVA revealed a significant difference in microplastic abundance between the two species (p = 0.010), whereas regression analysis indicated that fish length and weight had no significant effect on microplastic quantity (R² < 0.03). In conclusion, mackarel tuna are more prone to microplastic accumulation than milkfish, likely due to differences in habitat and feeding behavior. It is recommended to conduct regular monitoring of water quality and educate local communities about reducing single-use plastic to minimize microplastic pollution around PPI Selili.
Seawater Pollution Level and Biodiversity Diversity in Tarahan Island, Serang, Banten Anita Fanoura; Najmi, Sabilla; Wahdaniyah Pratiwi; Faisal Akbar Munggaran; Muhamad Niam Bastomi; Moch Saad; Prakas Santoso; Afifah Nurazizatul Hanasah; Bagus Syahriil Fahlevi
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.329

Abstract

Coastal ecosystems are transitional areas between land and sea with high biodiversity. However, currently coastal ecosystems are experiencing complex changes, many developments and activities in coastal areas cause indirect damage. One of the impacts is the entry of pollutants from land into the sea, such as heavy metals, pesticides and organic waste, which can disrupt the balance of marine biodiversity. This study aims to analyze the diversity of biodiversity and the level of seawater pollution in Tarahan Island, Serang, Banten. The method used was purposive sampling for water sampling, cryptic biota and seagrass. Biota identification was done visually using scientific references such as the World Register of Marine Species (WoRMS), while the level of water pollution was measured through Biochemical Oxygen Demand (BOD) and Total Suspended Solid (TSS) analysis.
Development of Standard-Length Prediction Model Based on the Morphometrics of Shortfin Scad (Decapterus macrosoma) from the Karangantu Archipelagic Fishing Port, Banten Arizky, Naufaldi; Muh. Herjayanto; Erik Munandar
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.330

Abstract

The morphometric truss system is a widely used method for analyzing variations in fish body shape. However, its application remains limited for predicting standard length in specimens with incomplete body morphology. This study aims to develop a predictive model for estimating the standard length of shortfin scad (Decapterus macrosoma) based on morphometric truss characteristics as a solution for morphological estimation when fish specimens are not intact. The research was conducted at the Fisheries Science Study Program Laboratory, University of Sultan Ageng Tirtayasa. One hundred shortfin scad specimens were collected from the Karangantu Archipelagic Fishing Port (PPN Karangantu). Measurements were taken from 24 truss points, which were classified into four body regions: head (A), anterior body (B), posterior body (C), and caudal peduncle (D). The analysis employed simple and multiple linear regression, and model performance was evaluated using MAE, MSE, RMSE, and R² metrics. The multiple linear regression results indicated that the anterior body and posterior body groups exhibited the highest coefficients of determination (R² > 0.97), the lowest error values, and residuals approximating a normal distribution. In contrast, the caudal peduncle group showed the weakest predictive performance. These findings affirm that morphometric truss characteristics of the anterior and posterior body regions are the most effective quantitative indicators for predicting standard length in shortfin scad. The proposed model has significant potential to enhance the reliability of fisheries stock data, particularly under conditions involving morphologically incomplete specimens.
Green Synthesis, Characterization, and Antimicrobial Activity of Silver Nanoparticles Derived from Sargassum sp. (Ag-SE) Adellia Ramadhani Putri Pratiwi; Heru Pramono; Mochammad Amin Alamsjah
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.334

Abstract

The growing threat of antibiotic-resistant bacteria has led to a search for alternative antimicrobial agents, including nanotechnology. This study successfully synthesized silver nanoparticles (AgNPs) using aqueous extracts of Sargassum sp., a brown macroalgae species rich in bioactive compounds. The formation of the AgNPs was indicated by a visible color change from pale yellow to brown and was further confirmed by UV–Vis spectroscopy. This spectroscopy showed characteristic surface plasmon resonance peaks between 400 and 450 nm across concentrations ranging from 1 to 4 mM. Fourier-transform infrared (FT-IR) analysis revealed functional groups, such as hydroxyl (3888 cm⁻¹), carbonyl (around 3500 cm⁻¹), and aromatic C=C bonds (1635 cm⁻¹), which suggest a role in reducing and stabilizing the nanoparticles. We evaluated the antibacterial activity of the AgNPs against Escherichia coli, and Staphylococcus aureus using the disc diffusion method. At a concentration of 3 mM, the AgNPs inhibited E. coli with a maximum zone of inhibition of 3.90 mm and followed by S. aureus (3.35 mm). Although the inhibition zones were relatively narrow (<2 mm), the results demonstrate the AgNPs' selective antibacterial potential. The antibacterial mechanism likely involves membrane disruption, oxidative stress via reactive oxygen species (ROS) generation, and Ag⁺ ion release. These findings highlight Sargassum sp. as an eco-friendly and effective source for the green synthesis of AgNPs with promising applications in antimicrobial therapies.
Effects of Feed Type on Growth and Food Habits of Green Lobster (Panulirus homarus) Using Smart Lobster Culture Nurmalasari, Nury; Rita Rostika; Nora Akbarsyah; Irfan Zidni
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.353

Abstract

This study aimed to evaluate the effects of different types of natural feed on the growth performance and feeding habits of green lobsters (Panulirus homarus) using Smart Lobster Culture technology in floating net cages in Pangandaran Regency. The research was conducted over a 60-day cultivation period from February to April 2025. A completely randomized design (CRD) was used with four treatments A: 100% anchovy, B: 80% anchovy, C: 100% rebon, and D: 80% rebon each with four replications. The parameters observed included length and weight growth, survival rate, length percentage per harvest (LPH), efficiency of protein production (EPP), feeding behavior, and water quality. The results showed that the 80% anchovy diet (Treatment B) produced the best outcomes, with an average length increase of 5.08 ± 0.09 cm, a weight gain of 145.13 ± 5.78 g, LPH of 2.09 ± 0.08%, survival rate of ± 98%, EPP of 13.28 ± 0.47%, and a tendency for more active nocturnal feeding behavior with a higher preference for anchovy. Sufficient feed and shelter availability effectively suppressed cannibalism. Water quality parameters remained within optimal ranges: temperature 27.6–29.3 °C, pH 8.1–8.4, salinity 34–36 ppt, and dissolved oxygen (DO) 6.10–8.30 mg/L.
Correlation of Water Quality with OCR and SOD of Humpback Grouper in Net Cages in Concrete Ponds with Different Stocking Densities Nugroho, Sefilia Adhi; Gunanti Mahasri; Abdul Manan
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.365

Abstract

The humpback grouper (Cromileptes altivelis) is one of the high-value commodities in Indonesia. Humpback grouper production from the cultivation sector has not been able to reach the expected production volume. The Floating Net Cage method is the latest technology in humpback grouper cultivation, but obstacles from weather and environmental factors are very large. The author is interested in conducting research on the stress levels of humpback grouper cultivated in the innovation of net cage cultivation media placed in concrete ponds with different stocking densities. The results showed that water quality parameters were no longer the main factor causing stress in fish raised in net cage cultivation media in concrete ponds. This was shown from the results of the SPSS model output with multiple linear correlation analysis with a significance value of OCR at 0.538 and SOD at 0.112. Stocking density treatment was more influential as a cause of stress in grouper fish at a significance value <0,05.
Analysis of Volatile Component Profile of Bekasam Seluang Fish (Rasbora argyrotaenia Herni Noormaliani; Yuspihana Fitrial; Agustiana
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.367

Abstract

Seluang fish is a freshwater fish commonly found in Southeast Asian waters, including Indonesia. Fermentation, autolytic and enzymatic degradation of protein and fat produce volatile compounds such as organic acids, carbonyls, nitrogen compounds, and sulfur. The research aims to analyze the identification of volatile compounds in bekasam seluang fish. The research was conducted at the Integrated Laboratory, Lambung Mangkurat University, Banjarbaru, using a four-treatment design and three replications, namely: O (without roasted rice), A (50% roasted rice), B (60% roasted rice), and C (70% roasted rice). Analysis of volatile components was carried out using Gas Chromatography-Mass Spectrometry (GC-MS), an instrumental technique for separating and identifying compounds in complex samples. Volatile components using GC-MS Headspace revealed that the addition of roasted rice affected the complexity of the volatile compounds formed. The higher the concentration of roasted rice, the more volatile compounds typical of fermentation were formed, such as pyrazine, methanol, methyl uronate, and isoleucinol. The 60% roasted rice treatment produced the most complex but balanced volatile compound profile, while 70% produced compounds with a strong aroma but potentially masked the characteristic aroma of fish.
Analysis of Coastal Community Economic Empowerment Strategy Through Turtle Conservation in Apar Village, North Pariaman District Damanhuri, Harfiandri; Suparno, Suparno; Munzir, Abdullah; Aisyah, Siti
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.339

Abstract

Indonesia's coastal areas boast high biodiversity, yet their communities still face economic constraints. Turtle conservation has the potential not only as a conservation effort but also as a basis for economic empowerment of coastal communities. This study aims to identify forms of community involvement in turtle conservation that impact economic welfare; and to develop strategies for economic empowerment of coastal communities based on turtle conservation through a participatory and collaborative approach. The study was conducted in Apar Village, Pariaman City, using exploratory descriptive quantitative methods using SWOT analysis. Data were collected through questionnaires, interviews, and documentation. The results indicate active community involvement in conservation activities such as nest monitoring, hatchling releases, tourism education, and souvenir production, which have begun to have positive economic impacts. The SWOT analysis indicates the strategy's position in the Strength–Opportunity (SO) quadrant with a difference score of +1.79 (internal) and +1.58 (external). This indicates that community strengths can be utilized to seize opportunities for conservation-based economic development. Suggested strategies include integrated ecotourism development, entrepreneurship training, strengthening local institutions, and cross-stakeholder collaboration. This study concludes that turtle conservation in Apar Village has dual potential as an instrument for environmental conservation and a driver of the local economy in a sustainable manner.

Page 19 of 20 | Total Record : 199

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