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REPRODUCTION AND LARVAL REARING OF SANDFISH (Holothuria scabra) Sembiring, Sari Budi Moria; Wibawa, Gigih Setia; Giri, I Nyoman Adiasmara; Hutapea, Jhon Harianto; Haryanti, -
Marine Research in Indonesia Vol 43, No 1 (2018)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

The natural stock of sea cucumber Holothuria scabra (known as sandfish) has been declining in both population and size, making it difficult to collect broodstock and juvenile sandfishes for aquaculture. This research aims to evaluate the reproduction of domesticated broodstock (F-1) and performance of the juveniles (F-2). Broodstock were reared in two rectangular concrete tanks with a dimension of 190 x 290 x 70 cm3. There were 12 individuals (7 males and 5 females) of broodstock (F-1) with total length and mean body weight of 12.0 Â± 1.21 cm and 122.6 Â± 32.37 g, respectively. Six broodstock were put in each tank and fed with compressed benthos at 4% biomass daily in the afternoon. During our experiment, domesticated sandfish broodstock successfully spawned twice. The first spawning (occurred in January 2017) had one female spawned that released 1,350,000 eggs with a hatching rate of 57.4%. Another broodstock spawned in April 2017 and produced 3,280,000 eggs with a hatching rate of 78.66%. The growth performance of 170 days-old juveniles (F-2) shows a total length of 5.66 Â± 0.90 cm and a mean body weight of 10.08 Â± 2.07 g. The survival rates are 5.19% and 8.68% for juveniles spawned in January and April, respectively. We conclude by showing that sandfish could be domesticated to produce seeds for further aquaculture development.

REPRODUCTION AND LARVAL REARING OF SANDFISH (Holothuria scabra) Sembiring, Sari Budi Moria; Wibawa, Gigih Setia; Giri, I Nyoman Adiasmara; Hutapea, Jhon Harianto; Haryanti, -
Marine Research in Indonesia Vol 43 No 1 (2018)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

The natural stock of sea cucumber Holothuria scabra (known as sandfish) has been declining in both population and size, making it difficult to collect broodstock and juvenile sandfishes for aquaculture. This research aims to evaluate the reproduction of domesticated broodstock (F-1) and performance of the juveniles (F-2). Broodstock were reared in two rectangular concrete tanks with a dimension of 190 x 290 x 70 cm3. There were 12 individuals (7 males and 5 females) of broodstock (F-1) with total length and mean body weight of 12.0 ± 1.21 cm and 122.6 ± 32.37 g, respectively. Six broodstock were put in each tank and fed with compressed benthos at 4% biomass daily in the afternoon. During our experiment, domesticated sandfish broodstock successfully spawned twice. The first spawning (occurred in January 2017) had one female spawned that released 1,350,000 eggs with a hatching rate of 57.4%. Another broodstock spawned in April 2017 and produced 3,280,000 eggs with a hatching rate of 78.66%. The growth performance of 170 days-old juveniles (F-2) shows a total length of 5.66 ± 0.90 cm and a mean body weight of 10.08 ± 2.07 g. The survival rates are 5.19% and 8.68% for juveniles spawned in January and April, respectively. We conclude by showing that sandfish could be domesticated to produce seeds for further aquaculture development.

Performansi Biologis Induk Bandeng (Chanos chanos forskall) Hasil Seleksi dalam Mendukung Domestikasi dan Pengembangan Budidaya di Tambak Tony Setia Dharma; Gigih Setia Wibawa; A.A Kt. Alit; Gede S. Sumiarsa
Biotropika: Journal of Tropical Biology Vol 7, No 2 (2019)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2019.007.02.6

Bandeng merupakan ikan yang memiliki rasa daging yang enak, harga relatif terjangkau oleh segala lapisan masyarakat dapat dibudidayakan secara polikultur dengan komoditas lainnya dan banyak petani yang melakukan usaha budidaya. Kendala di masyarakat bahwa pertumbuhan benih bandeng yang dihasilkan oleh pembenih memiliki variasi ukuran yang tinggi, dan pertumbuhan yang lambat di tambak. Tujuan dari penelitian adalah untuk mengetahui teknologi budidaya ikan bandeng, dan memperoleh data biologi induk bandeng G-1. Hewan uji yang digunakan adalah induk bandeng G-1. Penelitian dilakukan secara deskriptif, yaitu melakukan pengamatan secara fenotipik meliputi pertumbuhan setiap dua bulan sekali. Parameter yang diamati adalah beberapa aspek biologi bandeng hasil seleksi antara lain kualitas telur, sintasan, pertumbuhan, pengujian warna, kualitas daging, toleransi terhadap lingkungan, dan ketahanan terhadap penyakit. Hasil penelitian menunjukkan bahwa daya tetas telur berkisar 80-90,30%, dan memiliki ketahanan larva (SAI) mencapai 4,0-4,6 hari setelah menetas. Kelangsungan hidup dan pertumbuhan benih G-2 pada pembenihan umur 14-16 hari (SR) mencapai 60-85%, panjang total (TL) 1,68-1,72 cm, Warna induk bandeng dan ukuran konsumsi dengan menggunakan adalah hijau pada nomor TC.4408 dan perak TC.5501. Kualitas daging dari bandeng G-1 memiliki nilai 8. Kadar histamin untuk semua lokasi budidaya ND (non-detections). Toleransi benih terhadap lingkungan, ikan bandeng memiliki ketahanan terhadap salinitas 0-45 ppt, suhu 20-40°C, pH 6-9, dan oksigen lebih dari 2 ppm, kemudian memiliki ketahanan terhadap penyakit.

GROWTH OF PERFORMANCE SILVER POMPANO FISH FRY, Trachinotus blocii (LACEPEDE) CULTURED IN THE NET CAGE AT THE POND Tony Setiadharma; Gigih Setia Wibawa; Irwan Setiadi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 6 No. 1 (2014): Electronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Silver pompano fish is a prospective commodity that can be cultured and contains high economic value. Due to its high economic value nationally and internationally, it is important to develop nursery business. The silver pompano fish nursery conducted in a pond become efficient because it can be easily controlled. The purpose of the study was to know the technology and growth of silver pompano fish fry in cages at a pond. Research activities were carried out in the hafa size (3x3x1m3) in ponds. The seeds were taken from hatchery with size of 5.0-6.0 cm. Stocking density of seeds were 50 pc/ m³. The nursery were reared for 90 days till the fry reached their size in between 15.0 and 18.0 cm. The commercial pellets with protein content of 28-30% with dose of 5-8% of body weight were provided in the morning and afternoon at satiation. Sampling of fry was conducted every 30 days, to measure the survival rate (SR), total length (TL) and body weight (BW). Data were processed with descriptive analysis. The results showed that the survival rate was 90.20 ± 2.60 %, total length was 16.80± 2.70 cm, and body weight was 145.20 ± 2.70 g. The diversity of fry has four size categories i.e., large (L), medium (M), small (S), and super small (SS) with percentage average of 17.50%, 52.70%, 20.70% and 9.10%, respectively. Keywords: net cage, pond, silver pompano fish, growth, survival

Performance of Amino Acid Supplementation in Feed on the Production of Cantang Grouper (Epinephelus lanceolatus x Epinephelus fuscoguttatus) in the Nursery Phase Rahardjo, Seto Sugianto Prabowo; Kurniawan, Hendra Agung; Oktaviani, Elsa Dian; Wibawa, Gigih Setia; Widyawati, Yuni; Mahariawan, I Made Dedi
JURNAL AKUAKULTURA Vol 8, No 2 (2024): Jurnal Akuakultura Universitas Teuku Umar
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/ja.v8i2.10200

The growth of Cantang grouper is influenced not only by genetic factors but also by the quality of feed, particularly the protein content, which is closely related to amino acid levels. This study aims to investigate the effect of adding commercial amino acids to feed on the growth of Cantang grouper. The research was conducted using an experimental method with a Randomized Block Design (RBD), comprising four treatments and three replicates of amino acid doses added to commercial feed: P0 (0%), P1 (1%), P2 (2%), and P3 (3%). The parameters observed included survival rate, weight growth rate, length growth rate, specific growth rate, and feed conversion ratio. The results showed that adding amino acids to commercial feed over a 21-day rearing period significantly affected all parameters (p<0.05). The highest survival rate, weight growth, length increase, and specific growth rate were found in the P2 treatment with the values of 95.00 ± 5.00%, 7.40 ± 0.24 g, 3.69 ± 0.75 cm, 9.83 ± 0.15%/day, respectively. In addition, the lowest feed conversion ratio was obtained in the P2 treatment (1.22 ± 0.03).

Digestive Enzymatic Activity Profiles and Larval Growth Performance of Barramundi, Lates calcarifer (Bloch, 1790), From Indonesian and Australian Broodstocks Wibawa, Gigih Setia; Haryanti, Haryanti; Kurniawan, Nia
Biotropika: Journal of Tropical Biology Vol. 12 No. 3 (2024)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2024.012.03.02

Barramundi fish is one of the most important aquaculture commodities, with cultivation challenges closely related to its survival and growth. There is still a lack of information on digestive enzymatic activity profiles and larval growth, and the use of Australian brooders rather than Indonesian brooders is still frequent. This study aims to investigate digestive enzymatic activity profiles and their correlation to the growth performance of barramundi larvae, Lates calcarifer (Bloch, 1790), originating from Indonesia and Australia. The digestive enzyme activity profile was evaluated using real-time quantitative polymerase chain reaction (RT-qPCR). First, larvae were reared in captivity till day 20 (20 dah). During this rearing, measurements of length and weight growth were done every day. Experiment data shows Australian fish larvae were greater than that of the Indonesian. Their digestive enzyme activity also confirmed that Australian larvae had more activity than Indonesian larvae.

Hatchery Performance of Barramundi (Lates calcarifer) in the Integrated Pond Systems Yudha, Hirmawan Tirta; Santoso, Ratna Amalia; Rahardjo, Seto Sugianto Prabowo; Wibawa, Gigih Setia; Nuswantoro, Soko
Journal of Fish Health Vol. 5 No. 2 (2025): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v5i2.6291

The barramundi, also known as Asian sea bass, has the ability to adapt to various environmental conditions. Indonesia has introduced barramundi from different regions, including Australia, which is known to have a faster growth rate and larger body size. At the same time, the Indonesian strain demonstrates greater resilience to local conditions but grows more slowly. This study evaluates the hatchery performance of Australian and Indonesian strains of barramundi (Lates calcarifer) in a controlled environment using circular concrete ponds. The research examines water quality, spawning productivity, and larval development. The results indicate that the Australian strain produces more eggs than the Indonesian strain, with a hatching rate of 62%. Key water quality parameters, including temperature (28.3–28.6°C), pH (8.26–8.29), and salinity (33–35 ppt), were generally favorable for successful spawning and larval development. Additionally, providing live feed, such as rotifers and Artemia, improved larval growth up to the early juvenile stage. The significant differences in productivity between the two strains highlight the importance of genetic selection and nutritional management in optimizing barramundi hatchery production. This study underscores the need for superior strain selection and the application of science-based aquaculture strategies to enhance the sustainability of barramundi production in Indonesia.

Hatchery Performance of Barramundi (Lates calcarifer) in the Integrated Pond Systems Yudha, Hirmawan Tirta; Santoso, Ratna Amalia; Rahardjo, Seto Sugianto Prabowo; Wibawa, Gigih Setia; Nuswantoro, Soko
Journal of Fish Health Vol. 5 No. 2 (2025): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v5i2.6291

The barramundi, also known as Asian sea bass, has the ability to adapt to various environmental conditions. Indonesia has introduced barramundi from different regions, including Australia, which is known to have a faster growth rate and larger body size. At the same time, the Indonesian strain demonstrates greater resilience to local conditions but grows more slowly. This study evaluates the hatchery performance of Australian and Indonesian strains of barramundi (Lates calcarifer) in a controlled environment using circular concrete ponds. The research examines water quality, spawning productivity, and larval development. The results indicate that the Australian strain produces more eggs than the Indonesian strain, with a hatching rate of 62%. Key water quality parameters, including temperature (28.3–28.6°C), pH (8.26–8.29), and salinity (33–35 ppt), were generally favorable for successful spawning and larval development. Additionally, providing live feed, such as rotifers and Artemia, improved larval growth up to the early juvenile stage. The significant differences in productivity between the two strains highlight the importance of genetic selection and nutritional management in optimizing barramundi hatchery production. This study underscores the need for superior strain selection and the application of science-based aquaculture strategies to enhance the sustainability of barramundi production in Indonesia.

Effect of Salinity on the Survival, Growth and Immunity Rate of Juvenile Sea Cucumbers (Holothuria scabra) Sembiring, Sari Budi Moria; Wibawa, Gigih Setia; Hutapea, Jhon Harianto; Giri, I Nyoman Adiasmara
BIOTROPIA Vol. 26 No. 3 (2019): BIOTROPIA Vol. 26 No. 3 December 2019
Publisher : SEAMEO BIOTROP

Sea cucumber (Holothuria scabra) is an important species as food and medicine, especially for the Chinese market. It is a stenohaline and osmoconforming organism with a low level of tolerance to salinity change. Salinity of the medium is one of the environmental factors that affect the physiology and survival of juvenile sea cucumbers. This study was aimed at assessing the effect of different salinities on the growth, survival and immunity rate of juvenile sea cucumbers (Holothuria scabra) and also determining the suitable salinity level for the optimal growth, survival and immunity rate of the sea cucumbers. This experiment used a completely randomized design with 5 salinity treatments: 24, 29, 34, 39, and 44 ppt with 3 replications using fifteen 30 L fiberglass tanks. The juvenile sea cucumbers measured 4.4 ± 0.2 cm in total length and 5.6 ± 0.3 g in body weight. The juveniles were raised at 15 individuals/tank, fed with cultured fresh benthos once a day in the afternoon. Coelomate was taken from the sea cucumber juveniles from each tank and used to determine the immunity rate and also for the osmolality. The data were analyzed using ANOVA followed by Tukey's test at 5% level of significance. The salinity of the medium significantly affected (p < 0.05) the growth, survival rate and immunity rate of sea cucumber juveniles. The 24–34 ppt salinity can support survival rate up to 100%, high growth (6.47–7.10 g) and immunity rate (27–76 × 10⁴ phagocytic cells/mL), while the 44 ppt salinity has resulted in not only a low survival rate (55.60%), but also had a bad effect on osmolality (303 ± 3.5 mOsm/kg), growth (3.12 ± 0.34 g), and immunity (209 × 10⁴ phagocytic cells/mL).

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