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INDONESIA
Jurnal Perikanan dan Kelautan
Published by Universitas Riau
ISSN : 08537607     EISSN : 27218902     DOI : http://dx.doi.org/10.31258/jpk
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science Immunology & microbiology Social Sciences
Journal of Fisheries and Marine was published by the Faculty of Fisheries and Marine of the Universitas Riau in 2007. The scope of the research included: Aquaculture, fisheries socioeconomic, fisheries technology, management of aquatic resources, utilization of fisheries and marine resources
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 978 Documents
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The Effect of Protease Enzyme and Citric Acid Addition on the Organoleptic Properties of Catfish Head Milk Welly Deglas; Fransiska Fransiska; Maria Krisna Evania
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.40-46

Abstract

This study evaluated the effects of combining protease enzyme dosages (0.5%, 1%, and 1.5%) with citric acid levels (0.1%, 0.3%, and 0.5%) on the organoleptic quality of catfish head milk, including color, aroma, taste, homogenization/clarity, and panelist acceptance. The product was formulated through enzymatic hydrolysis under controlled pH conditions and subsequently assessed using a sensory scoring scale. The results showed that the treatments significantly affected color (F = 4.13; p < 0.05), homogenization (F = 2.39; p < 0.05), and overall hedonic preference (F = 3.03; p < 0.05), but had no significant effects on aroma (F = 1.62; p > 0.05) or taste (F = 1.39; p > 0.05). Specifically, the best color was obtained at 0.5% protease and 0.5% citric acid (A1B3), while the highest homogenization occurred at 0.5% protease and 0.1% citric acid (A1B1). In terms of overall liking, the highest score was recorded at 1.5% protease and 0.5% citric acid (A3B3), followed by 0.5% protease and 0.3% citric acid (A1B2). However, when considering the balance among all attributes (color, aroma, taste, and homogenization), the combination of low protease with low to moderate citric acid levels (0.5% protease; 0.1–0.3% citric acid) provided the most stable performance, producing a relatively bright color, more acceptable flavor and aroma, and better physical stability. Overall, the enzymatic hydrolysis approach with moderate pH adjustment proved effective at enhancing sensory acceptance and offers a promising method for transforming low-value fish by-products into consumer-preferred functional food products
The Effect of Palm Kernel Cake Thickness as a Culture Medium on the Growth and Production of Maggots (Hermetia illucens) Eldy Marnanda Putra Keliat; Agusnimar Agusnimar; Febry Ferdiyanto Purba
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.32-39

Abstract

Hermetia illucens larvae, commonly known as Black Soldier Fly (BSF) maggots, are rich in protein and fat, making them an excellent alternative feed for fish. Utilizing them as a fish feed source and as a bio-machine for waste processing requires cultivating maggots. This study was conducted for 30 days, from February 6 to March 6, 2024, at the Fish Seed Center (BBI) of the Faculty of Agriculture, Riau Islamic University, Pekanbaru. The method used was a completely randomized design (CRD) with 5 treatments and 3 replicates, namely, P1 = palm kernel meal thickness (5 cm), P2 = 7 cm, P3 = 9 cm, P4 = 11 cm, and P5 = 13 cm. The study's results showed the best results in treatment P5, with a weight gain of 0.252 g, a length gain of 1.83 cm, a daily growth rate of 0.00351%, and an average production of 967 g. The best culture medium content test results were obtained from P5, with water content of 29.74%, protein of 36.60%, fat of 4.31%, carbohydrates of 1.31%, and crude fiber of 2.13%. The environmental parameters during the study were a temperature range of 35.7 to 41.2 °C, a humidity range of 70-96%, and a pH range of 6.3-6.5. 
Physiological and Biochemical Responses in the Blood of Striped Catfish (Pangasianodon hypophthalmus) to the Addition of Papaya Seed Extract (Carica papaya L.) to Feed Dimas Gasliani Akbar; Henni Syawal; Morina Riauwaty
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.17-24

Abstract

Striped catfish (Pangasianodon hypopthalmus) is a group of catfish that has become one of the leading freshwater commodities. This gives striped catfish (P. hypopthalmus) a fairly good market potential. A frequent constraint in fish farming is the risk of disease outbreaks. One factor contributing to the failure of fish farming and resulting in significant mortality is disease. One pathogenic bacterium responsible for disease is Aeromonas hydrophila, which is often found in freshwater and causes 80-100% of fish mortality in a short period. The method used is an experimental method employing a Completely Randomized Design (CRD) with one factor, 5 treatment levels, and 3 replications. The treatments used in this study refer to. The study on the addition of papaya seed extract (Carica papaya L.) to the feed found that it affects the physiological and biochemical responses of striped catfish (P. hypophthalmus). The best feeding dosage with the addition of papaya seed extract of 3.0 mL/kg of feed results in glucose levels of 70.33 mg/dL, calcium 12.53 mg/dL, magnesium 2.73 mg/dL, phosphorus 8.66 mg/dL, lysozyme activity 275 units/mL, absolute weight gain 14.92g, absolute length gains 5.25cm, and survival rate reaching 93.33%. The researcher recommends conducting further studies on the addition of papaya seed extract at a dosage of 3.0 mL/kg of feed to improve growth in different test fish and advises against using papaya seed extract in high doses.
Effect of Immersion of Striped Catfish (Pangasionodon hypophthalmus) in Red Dragon Fruit Peel Solution (Hylocereus polyrhizus) on Gill and Kidney Histopathology M. Taufik; Henni Syawal; Morina Riauwaty
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.9-16

Abstract

Red dragon fruit peel is a natural material with antibacterial potential against fish diseases. This study was conducted from July 2024 to June 2025 at the Laboratory of Fish Parasites and Diseases, Faculty of Fisheries and Marine Sciences, Universitas Riau. The aim was to determine the histopathology of gills and kidneys in striped catfish (Pangasionodon hypophthalmus) immersed in red dragon fruit peel extract and challenged with Aeromonas hydrophila. The experiment used a Completely Randomized Design (CRD) with five treatments and three replications: Kn (negative control), Kp (positive control, challenged with A. hydrophila), P1 (1 mL/L), P2 (1.5 mL/L), and P3 (2 mL/L). Immersion was applied three times at the beginning of rearing, followed by 46 days of culture. A challenge test was carried out on day 32, and gill and kidney samples were collected on days 30 and 14 post-challenge. Results showed that fish challenged with A. hydrophila exhibited gill damage, including hypertrophy, lamellar curvature, telangiectasis, and epithelial lifting, as well as kidney damage, including necrosis, hemorrhage, and cell degeneration. The best result was observed in treatment P2 (1.5 mL/L), which effectively reduced tissue damage and improved the histological structure of gills and kidneys in striped catfish
Hematology of Osphronemus gouramy Fed with Turmeric (Curcuma domestica Val) and Maggot (Hermetia illucens) Enriched Pellets Daniel Nainggolan; Morina Riauwaty; Henni Syawal
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.1-8

Abstract

Osphronemus gouramy is a widely cultivated fish because it has economic value in the community and is high in protein. The addition of turmeric powder and maggot flour can increase the nutritional value of gurami fish feed. The study was conducted from January to May 2025 at the Parasite and Fish Disease Laboratory, Faculty of Fisheries and Marine Sciences, Universitas Riau. The objective of this study was to determine the effect of adding turmeric powder (Curcuma domestica Val) and maggot meal (Hermetia illucens) to the feed on the hematology of O. gouramy infected with Aeromonas hydrophila. The method used was an experiment with a completely randomized design with one factor and five treatments, namely Kn (feeding without the addition of maggot meal and turmeric powder without infection with A. hydrophila), Kp (feed without maggot meal and turmeric powder, infected with A. hydrophila), P1, P2, and P3 (feed with 0.9 g/kg turmeric powder and 20, 30, and 40 g/kg maggot meal, then infected with A. hydrophila). Feeding was carried out three times a day to satiation. On day 32, the fish were infected with A. hydrophilla at a density of 108 CFU/mL, 0.1 ml. The results showed that feed containing 0.9 g/kg turmeric powder and 30 g/kg maggot meal resulted in a total erythrocyte count of 1.91×106 cells/mm, hematocrit of 38%, hemoglobin 9.06 g/dL, total leukocytes 11.15x10⁴ cells/mm³, phagocytosis activity 25.66%, absolute weight gain 11.71 g/fish, specific length 5.74 cm, and survival rate 80%. Water quality during the study was as follows: temperature ranging from 27.6-29°C, pH 6.51-7.61, and DO 4.6-5.9 mg/L. Based on the data, it can be concluded that the addition of turmeric and maggots to pellets can increase the growth and immunity of O. gouramy infected with A. hydrophila
The Potential of Various Types of Decomposers on the Effectiveness of Palm Oil Fruit Bunch (EFB) Composting and a Study of Socio-Economic Conditions in the Village of Lubuk Ogung Rizka Utami; Rahman Karnila; Deviona Deviona
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.113-120

Abstract

Empty fruit bunches (EFB) are the main solid waste product of the palm oil industry and have great potential to be processed into high-value organic fertilizer. However, the natural decomposition process is very slow. This study aims to analyze the effectiveness of several types of decomposers (EM-4, Eco-enzyme, M-21, and MSG-3) in accelerating the TKKS composting process and to identify the socio-economic conditions and perceptions of the Lubuk Ogung Village community regarding community-based waste management. The method used was a mixed-methods design, with a completely randomized design (CRD) and three replicates for technical analysis and in-depth interviews for social aspects. The parameters observed included the C/N ratio, organic C, nitrogen, phosphorus, and potassium. The results showed that Eco-enzyme and M-21 were the most effective decomposers, producing final C/N ratios of 16.44 and 17.25, respectively, which meet the SNI 7763:2024 standard. Socially, the community showed a positive perception of TKKS composting, though they still faced obstacles in technical knowledge, market access, and program sustainability. These findings indicate that the application of decomposer technology, particularly Eco-enzyme, has the potential to strengthen waste management and promote community empowerment through circular economy practices at the village level.
Species and Density of Starfish (Asteroidea) in Seagrass Ecosystems at Pengudang Village, Bintan Regency, Kepulauan Riau M. Adnin Firmansyah Simanjuntak; Adriman Adriman; Muhammad Fauzi
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.105-112

Abstract

Sea stars, members of the Echinodermata phylum, are closely associated with seagrass beds and play a role in the food chain. High seagrass cover supports a variety of biota, including sea stars. This study aims to determine the types and density of starfish (Asteroidea) in the seagrass ecosystem of Pengudang Village, Bintan Regency, Kepulauan Riau Province. This research was conducted in September 2024 in Pengudang Village, Bintan Regency, Kepulauan Riau Province. Starfish sampling and observation were conducted at three station points, with each station having three transect lines.  Each transect contained ten observation plots measuring 1×1 m. Two species of starfish were found during the study in Pengudang village: Archaster typicus (73 individuals) and Protoreaster nodosus (14 individuals). The density of starfish found during research in Pengudang Village ranged from 700 to 13,700 individuals per hectare. Water quality conditions during the study were classified as good for supporting starfish life, with temperatures ranging from 29.7 to 31.3°C, current speeds from 0.055 to 0.076 m/s, salinity from 29.9 to 31.6 ppt, and dissolved oxygen from 6.82 to 7.66 mg/L.
The Effect of Rabal Probiotic Supplementation at Different Doses on the Growth and Survival of Striped Catfish (Pangasianodon hypopthalmus) using a Recirculation System Citra Taulani; Mulyadi Mulyadi; Iskandar Putra
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.143-151

Abstract

Striped catfish is a consumable fish with a good selling price and is a leading export commodity in Indonesia. Striped catfish (Pangasianodon hypopthalmus) often experience slow growth due to several factors that affect metabolic efficiency and nutrient intake. This study aims to determine the optimal dose of rabal probiotics to improve the growth and survival of catfish using a recirculation system. This study was conducted from April to June 2025 for 50 days at the Aquaculture Technology Laboratory, Faculty of Fisheries and Marine, Universitas Riau. The method used was an experiment with a completely randomized design (CRD), using four treatments (P1 = control, P2 = Rabal probiotic 30 ml/100g feed, P3 = Rabal probiotic 35 ml/100g feed, P4 = Rabal probiotic 40 ml/100g feed) and three replicates. The results showed that administering Rabal probiotics at different doses affected the growth and survival of P. hypophthalmus in including average weight and length growth, specific growth rate, feed efficiency, feed conversion ratio, and survival. The best treatment was found in treatment P4 (40 ml/100 g feed), which showed significant growth (P<0.05), namely absolute length of 3.72 cm, absolute weight of 6.74 g, specific growth rate of 2.08%, FCR value of 1.43, feed efficiency of 69.93%, and survival rate of 85%.
Analysis of Coastal Abrasion Rate and Sediment Fractions at Tiram Beach, West Sumatra Fauzan Azmi; Rifardi Rifardi; Ilham Ilahi
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.135-142

Abstract

Tiram Beach, located in Padang Pariaman Regency, West Sumatra Province, is one of the coastal areas under environmental pressure from coastal abrasion. Abrasion leads to shoreline retreat and negative impacts on local socio-economic activities. This study aims to analyze the rate of coastal abrasion and sediment fractions at Tiram Beach over 20 years (2003–2023), and to identify the dominant sediment characteristics in the area. The research methods included analysis of Landsat satellite imagery (2003, 2013, and 2023). Results show that Tiram Beach has undergone consistent shoreline retreat, with abrasion rates ranging from 2.2 to 3.1 meters per year. The sediment is predominantly composed of coarse sand and gravel, classified as poorly sorted, with skewness values indicating a dominance of coarse particles in certain zones. Contributing factors to abrasion include high-energy waves from the Indian Ocean, strong coastal currents, and human activities such as tourism and coastal infrastructure development. In conclusion, coastal abrasion at Tiram Beach is significant and poses a threat to the sustainability of the coastal zone if left unmanaged. Mitigation measures such as the construction of coastal protection structures, rehabilitation of coastal vegetation, and integrated coastal spatial planning are recommended to reduce future impacts.
Structure of the Mangrove Community in the Pangkalan Jambi Village, Bukit Batu District, Bengkalis Asraf Octaviari; Syafruddin Nasution; Feliatra Feliatra
Jurnal Perikanan dan Kelautan Vol. 31 No. 1 (2026): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.1.129-134

Abstract

ngroves are coastal ecosystems that play a very important ecological and economic role. This study aims to analyze mangrove species, density, and importance index. The method used was a survey method with the determination of research stations using purposive sampling, where the research location was divided into 3 stations based on criteria, namely station 1 mangrove forest located in Damai Village with relatively good mangrove conditions, station 2 mangrove forest located in Rukun Village which is a mangrove ecotourism area, and Station 3, a mangrove forest located in Murni Village, which is adjacent to a residential area. The results of water quality parameter measurements in Pangkalan Jambi Village showed salinity values of 19-22, pH values of 5.4-6.5, and temperatures of 29-30 ℃. Based on the study, five mangrove species were found in the mangrove forest area of Pangkalan Jambi Village: Rhizophora apiculata, Xylocarpus granatum, Nypa fruticans, Avicennia marina, and Talipariti. tiliaceum. The density in the tree category at station I had the highest density, 1566.66 ind/ha, while the lowest was at station II, 300 ind/ha. In the seedling category, the highest density was found at station I with a density value of 4800 ind/ha, while the lowest density was found at station II with a density value of 3466.67 ind/ha. In the seedling category, the highest density was found at station I with a density value of 7500 ind/ha, while the lowest density was found at station II with a density value of 5000 ind/ha. Based on the average Importance Value Index calculation, the highest INP value was R. apiculata at 249.295%, and the lowest was S. alba at 178.588%.

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