Botryococcus braunii is a colonial green microalga with high potential as a source of valuable biomass. However, its large scale production is constrained by high production costs. The utilization of snakehead fish culture wastewater supplemented with agricultural fertilizers provides a more economical and sustainable growth medium. This study aimed to determine the optimal percentage of agricu…
One effort to maintain the production value of catfish is cultivation intensification, increasing stocking density from the nursery to the grow-out stage. Recirculating systems with combining of different filter types have been did in several previous studies. However, studies on the effect of different compositions of filter materials in the form of activated charcoal and zeolite during the nu…
The use of natural ingredients as feed additives has been increasingly been developed because they are considered capable of improving fish performance and health. One of the potential natural ingredients as a feed additive is red onion (Allium cepa L.), which has been proven to enhance fish growth. The purpose of this study was to determine the optimal dosage of onion powder in feed for the gr…
Universitas Sriwijaya Indralaya has a 42.38 ha artificial freshwater lake. The species diversity of freshwater fish in the lake has not been documented. This study aims to study the species diversity of freshwater fish in the lake. The study was conducted from May to July 2025. This study used an exploratory survey method and sample collection using purposive random sampling technique. Fish wer…
Bronze featherback (Notopterus notopterus) is an economically valuable freshwater fish in South Sumatra, Indonesia. Increasing consumer demand for N.notopterus has led to increased exploitation in the wild. To increase the population and production, cultivation is necessary. This study aims to determine the growth and survival of N. notopterus in concrete ponds and tarpaulin ponds. This researc…
Papain enzyme, a protease enzyme has been shown to increase feed efficiency and fish growth. Papain enzyme performance is influenced by several factors, one of them is enzyme concentration. The appropriate enzyme concentration or percentage will maximize the enzyme's performance. This research aimed to determine the best percentage of papain enzyme addition to feed to increase the growth and fe…
Fish diversity is an important component in the functioning of aquatic ecosystems. The Kelekar River is a habitat for various species of freshwater fish. This study aims to assess the diversity of freshwater fish in the Kelekar River of middle section, Pelempang Village, Muara Enim Regency, South Sumatra. This research was conducted from May to July 2025. This research uses explorative survey m…
Climbing perch (Anabas testudineus) is a native freshwater fish species in Indonesia that inhabits swamp, rivers and lakes. This species is known to have relatively slow growth and development. One efforts to increase its growth is through environmental manipulation with the lighting method (photoperiod) given to the rearing media. Photoperiod or duration of light exposure, is an environmental …
Porphyridium cruentum is a red microalga rich in bioactive compounds with potential for various industries. However, harvesting is difficult due to its microscopic unicellular nature. Bioflocculation using Streptomyces sp. offers an eco-friendly alternative. This study aimed to determine the optimal concentration of Streptomyces sp. for flocculation efficiency, protein and phycoerythrin content…
The main constraint in climbing perch (Anabas testudineus) culture is its relatively slow growth rate, which can affect the productivity and efficiency of aquaculture cultivation. The primary factors contributing to fish growth include feed quality, nutrient content, and the balance of essential amino acids. One effort to improve feed efficiency is through the supplementation of essential amino…
One of the challenges of snakehead fish farming is finding feed that is both affordable and high in protein. This study aimed to determine the effect of using locally sourced feed on snakehead fish growth. The research was conducted at the Aquaculture Laboratory and Experimental Pond of the Aquaculture Study Program Universitas Sriwijaya Department of Fisheries from July to August of 2025. The …
Mangrove ecosystems are important coastal resources that provide habitats for various aquatic biota. The abundance and diversity of macrozoobentos can reflect the quality of the environment. This research was conducted in Upang Waters, Banyuasin, in October 2024–January 2025, including macrozoobentos sampling, measurement of water and substrate parameters, identification of biota, and sedimen…
The Upang area, Banyuasin is one of the estuarine areas affected by residential activities, fisheries, plantations and transportation which is feared to cause changes in the quality of the aquatic environment. This study aims to examine the structure of the bentos infauna community and its relationship with water quality parameters in the Upang estuary, Banyuasin, which is vulnerable to environ…
Fingerlings require proper nutrition to grow well. Silk worms (Tubifex sp.) are commonly used as feed during the fingerling phase due to their excellent nutritional content. However, a limitation of silk worms (Tubifex sp.) is their availability, which can be constrained during certain periods, especially in the rainy season, leading to increased prices and consequently higher production costs.…
SITI ANNISA TRI SUSANTI. Specific Allel of Nile Tilapia (Oreochromis niloticus.) from Maninjau Lake Based on Single Nucleotide Polymorphism (SNP) Marker (Supervised by MARINI WIJAYANTI). Tilapia (Oreochromis niloticus) is a fish native to the Nile River. Currently in Indonesia, there are many new strains of tilapia resulting from crossbreeding to produce tilapia with specific desired characteri…
Notopterus notopterus dan Chitala hypselonotus merupakan spesies ikan asli Sumatera Selatan, Indonesia. Kedua spesies ini termasuk dalam famili Notopteridae. Secara morfologi kedua spesies ini sangat mirip. Penelitian ini bertujuan untuk menganalisis perbedaan karakter morfometrik–meristik N.notopterus dan C. hypselonotus asal Sungai Kelekar, Sumatera Selatan. Penelitian ini telah dilaksanaka…
The swamp has low pH water (
Male guppies (Poecilia reticulata) are popular because they are have beautiful color patterns. The production of male monosex guppies can be done with masculinization techniques. One of the natural ingredients that can be applied in masculinization techniques is pasak bumi (Eurycoma longifolia) plant. The purpose of this research was to increase the percentage of male guppies. The research meth…
The optimal water pH for pangasius catfish culture is 6.5-8.5. One of the several materials that can be used to increase the pH of swamp water is calcium oxide. The research aims to determine the best dose of calcium oxide lime to increase the pH of swamp water as a medium culture of pangasius catfish. This research carried out at the Aquaculture Laboratory and Experimental Ponds, Aquaculture S…
Air rawa memiliki nilai pH yang rendah berkisar 3-4, hal ini yang menyebabkan air rawa belum optimal digunakan untuk budidaya ikan. Nilai pH optimum untuk pertumbuhan ikan patin (Pangasius sp.) yaitu 6,5-8,5. Upaya yang dapat dilakukan untuk meningkatkan pH air rawa yaitu dengan melakukan pengapuran. Penelitian ini bertujuan untuk mengetahui dosis terbaik kapur cangkang kijing yang diaplikasika…
Heavy metal lead, commonly found in industrial waste, is toxic to aquatic organisms. Its presence in water can harm organisms such as climbing perch. Lead can cause liver damage, close the gill membrane, and even lead to death in fish. Additionally, it can cause reproductive disorders, inhibit vitellogenin induction, delay oogenesis, increase hormone secretion, and decrease gonadal somatic inde…
The floating raft model aquaponic system principally places plants on the surface of the water using media including styrofoam. Fertilization is an effort to improve water quality to increase the production of fish and cultivated plants. This study aims to determine the best dose of liquid organic fertilizer on water quality in the culture of catfish with lettuce plants using an aquaponics syst…
One management approach to enhance water quality and optimize fish cultivation water involves introducing a recirculation and phytoremediation system. This study investigated the impact of Lemna sp. as a phytoremediator in the recirculation system for maintaining water quality during the rearing of climbing perch (Anabas testudineus). The study used a Completely Randomized Design (CRD) with fou…
The production of java combtail fish fry is still depended on nature, therefore it is necessary to carry out semi nature breeding. pH is one of the factors that play an important role in hatching. pH affects the activity of the enzyme chorionase to soften the chorion, so that the egg shell becomes thin. This research aimed to determine the best pH in the media for hatching java combtail. This r…
JAVITA PUTRI AULIA. The Growth and Survival Rate of Three Spot Gourami (Trichopodus trichopterus) Larvae in Culture Tank with Different Color (Supervised by MIRNA FITRANI and FERDINAND HUKAMA TAQWA). The color of the tank can impact the growth and survival of fish larvae. A study observed how different tank colors affect three spot gourami larvae after they absorb their yolk sac. This research …
Koi fish (Cyrpirnus carpio L.) is an ornamental fish commodity that has unique colors and patterns, but aquaculture activities are still constrained by a decrease in water quality which is one of the factors caused the low survival rate of koi fish. Application of skimmer channel and vacuum drain to kept koi fish can be a solution to maintained water quality. Therefore, it is necessary to make …
feed efficiency of snakeheads. This research was conducted at the Basic Fisheries Laboratory and Laboratory Microbiology and Fisheries Products Tehcnology, Aquaculture Study Program, Faculty of Agriculture, Sriwijaya University in January-March 2024. This research design used a completely randomized design of four treatments and three replications. The treatment given was the addition of spirul…
EKA WIDHIASTUTI. Application of Probiotics with Different Dosages on Water Quality and Growth of Climbing Perch (Anabas testudineus) in Aquaponic System (Supervised by MIRNA FITRANI and FERDINAND HUKAMA TAQWA). Poor water quality can negatively impact fish growth. Introducing probiotics in the fish-rearing environment can improve water quality by converting harmful compounds into non-toxic ones…
Green catfish (H. nemurus) is a type of freshwater fish that has the potential to be cultivated. Green catfish cultivation needs to be supported by ideal environmental conditions so as to produce maximum survival rate and growth. One environmental technique that can be used is water level, because the higher the water column the more energy it will uses to move and can affect the growth of gree…
Water quality is crucial for maintaining kissing gourami as it supports the growth and survival of the fish. The decline in aquaculture water quality is often due to the accumulation of organic matter from feed residues and fish manure on the maintenance medium. One effective method to maintain optimal water quality is by implementing a recirculation system. Commonly used filter materials in re…