DISTRIBUSI SPASIAL IKAN BARONANG Siganus canaliculatus Park, 1797 PADA HABITAT PADANG LAMUN BERBEDA DI TELUK AMBON DALAM

Latuconsina, Husain; Affandi, Ridwan; Kamal, Mohammad Mukhlis; Butet, Nurlisa A.

doi:10.29244/jitkt.v12i1.27908

Cited by 11 publications

(12 citation statements)

References 33 publications

(52 reference statements)

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“…Streaked spinefoot (Siganus javus) are classified into a group of demersal fish that live near the bottom of the water. These fish are found in seagrass beds and coral reefs [6], but streaked spinefoot can be found in estuaries and coral reefs [7]. Based on the catch, the dominant streaked spinefoot were found in the area of station 1 and station 2 (sea waters) and station 3 (Estuary Terate) (Figure 1).…”

Section: Discussionmentioning

confidence: 99%

“…Streaked spinefoot belong to the family Siganidae and are classified into the demersal fish group that lives near the bottom of the water. Streaked spinefoot can be found in estuaries to coral reefs, including herbivores with a small digestive tract and mouth size, a large and long intestinal surface, and a thick stomach wall [7]. The main food is seagrass, seaweed, algae, or moss, while at the larval level, it eats plankton [8].…”

Section: Introductionmentioning

confidence: 99%

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Heavy metals content (Hg, Cd, Pb, and Cu) in streaked spinefoot Siganus javus (Linnaeus, 1766) in Bojonegara Waters, Banten Bay, Indonesia

2021

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Anthropogenic activities contribute to heavy metals so that their concentration in the waters increases and causes accumulation, especially in streaked spinefoot. This study aims to estimate the level accumulation of (Hg, Cd, Pb, and Cu) heavy metals contained in streaked spinefoot (Siganus javus) meat in Bojonegara waters, Banten Bay, Indonesia. A sampling of 30 to 50 grams of fish meat is carried out every month from August to October 2020 and heavy metals analysis in streaked spinefoot meat was carried out in February 2021 using atomic absorption spectrophotometry (AAS). The (Hg, Cd, and Pb) heavy metals contained in the streaked spinefoot meat were undetected by the AAS, while the content of heavy metal Cu on small fish is 0.348 to 1.530 mg kg-1, and large fish is less than 0.015 mg kg-1 to 5.390 mg kg-1. Bioaccumulation Cu metal in small and large streaked spinefoot included low to high accumulation, while it was low for other types of metal. The safe limit for consumption of streaked spinefoot meat for adults (50 kg) is 32.468 kg of meat/week, while for children (15 kg), it is 9.740 kg of meat/week.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Heavy metals content (Hg, Cd, Pb, and Cu) in streaked spinefoot Siganus javus (Linnaeus, 1766) in Bojonegara Waters, Banten Bay, Indonesia

2021

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“…Sebagaimana diketahui bahwasanya seluruh stasiun pengamatan memiliki struktur ekosistem lamun yang tediri dari vegetasi campuran. Struktur ekosistem lamun dengan struktur vegetasi campuran merupakan tempat juvenil dan pembesaran bagi ikan baronang (Latuconsina et al, 2020).…”

Section: Karakteristik Panjang Dan Bobot Ikan Baronangunclassified

“…Berdasarkan panjang dan bobot ikan baronang, ikan baronang dapat dikelompokan menjadi: ikan juvenil berkisar antara 32,50-62,50 mm, pra dewasa berkisar antara 77,60-122,50 mm, dan ikan dewasa kisarannya > 137,50 mm (Kwak et al, 2015). Menurut Latuconsina et al, (2020), kriteria panjang bobot Siganus canaliculatus yaitu: juvenil 2,50-6,50 cm, pra dewasa 6, 60-12,50, dan dewasa ≥ 12,60 Berdasarkan data yang disajikan pada Gambar 5, hasil pengukuran panjang dan bobot ikan baronang pada seluruh stasiun penelitian didominasi oleh ikan barpnang kategori dewasa. Berdasarkan hasil yang diperoleh pada penelitian ini, di bulan November hingga Desember secara keseluruhan ikan baronang didominasi oleh ikan baronang pra dewasa (27,69%) dan dewasa (72,31%).…”

Section: Karakteristik Panjang Dan Bobot Ikan Baronangunclassified

Struktur Populasi Ikan Baronang pada Ekosistem Lamun Di Pesisir Pulau Bintan

2022

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Salah satu ekosistem pesisir yang dapat ditemukan di pesisir Pulau Bintan yaitu ekosistem lamun. Ikan baronang merupakan ikan ekonomis penting yang berasosiasi dengan padang lamun. Kondisi struktur ekosistem lamun yang berbeda di perairan pulau Bintan diduga dapat berpengaruh terhadap persebaran ikan baronang pada ekosistem lamun. Penelitian ini bertujuan untuk mendeskripsikan kondisi tutupan lamun pada beberapa lokasi dan mendeskripsikan struktur populasi ikan baronang (Siganus sp) pada ekosistem lamun dengan tutupan berbeda di perairan pulau Bintan. Metode sampling tutupan lamun menggunakan transek kuadrat berukuran 50 x 50 cm dan sampling ikan baronang menggunakan jaring insang dasaran (bottom gill net). Diperoleh 8 jenis lamun yang tersebar di 4 stasiun penelitian. Tutupan lamun tertinggi terdapat di stasiun Pengudang dengan nilai 65,20% dengan kondisi kaya/padat. Terdapat 5 jenis ikan baronang. Jenis ikan baronang yang memiliki kelimpahan tertinggi yaitu Siganus canaliculatus. Tidak terjadi perbedaan yang signifikan untuk persebaran jenis ikan baronang pada lokasi penelitian One of the ecosystems that can be found on the coast of Bintan Island is the seagrass ecosystem. SIganus sp are economical fish associated with seagrass beds. The structure of the seagrass ecosystem is thought to have an effect on the distribution of Siganus sp in the seagrass ecosystem. This study aims to describe the condition of seagrass cover at several locations in the waters of Bintan Island and to describe the population structure of Siganus sp in seagrass ecosystems with different cover in the waters of Bintan Island. The seagrass cover sampling method used a quadratic transect measuring 50 x 50 cm and the Siganus sp fish sampling used a bottom gill net. Obtained 8 types of seagrass spread over 4 research stations. The highest seagrass cover was found at Pengudang station with a value of 65.20% with rich/dense conditions. There are 5 types of baronang fish. The type of baronang fish that has the highest abundance is Siganus canaliculatus. There is no significant difference for the distribution of baronang fish species at the study site.

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“…Di alam, ikan baronang banyak mengonsumsi tanaman air, seperti Enhalus sp., Padina sp., Gelidium, Sargassum sp., Chaetomorpha sp., Enteromorpha sp., Cladophoropsis sp., Helimeda sp., Caulerpa sp., Eucheuma sp., Gracilaria sp., Ulva sp., dan lain-lain (Paul et al, 1990;You et al, 2014;Linh et al, 2015;Latuconsina et al, 2020). Rumput laut Gracilaria sp.…”

mentioning

confidence: 99%

PERFORMANSI REPRODUKSI INDUK IKAN BARONANG, Siganus guttatus YANG DIBERI PAKAN MENGANDUNG RUMPUT LAUT

Usman

Kamaruddin

Laining

et al. 2021

Jurnal Riset Akuakultur

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Perfomansi reproduksi dan kualitas larva ikan baronang, Siganus guttatus, masih rendah. Rumput laut, Gracilaria sp. dan Ulva sp. merupakan pakan alami di alam dan mengandung nutrien penting untuk ikan baronang. Oleh karena itu, penelitian ini bertujuan mengevaluasi penggunaan pakan yang mengandung rumput laut terhadap performa reproduksi induk ikan baronang. Perlakuan yang dicobakan adalah (A) pakan buatan tanpa kandungan tepung rumput laut, (B) pakan buatan mengandung tepung rumput laut Gracilaria sp. 15%, (C) pakan buatan mengandung tepung rumput laut Ulva sp. 15%, (D) pakan buatan tanpa tepung rumput laut (A) + rumput laut segar Gracilaria sp. Induk ikan baronang berukuran rata-rata 250,7 ± 20,8 g; dipelihara dalam bak beton berukuran 2,0 m x 1,5 m x 1,0 m; kepadatan 20 ekor/bak dengan rasio betina dan jantan 1:1. Peubah yang diamati meliputi fekunditas, diameter oocyte,diameter telur terbuahi, tingkat pembuahan telur, tingkat penetasan telur, panjang larva D-0, dan kandungan energi larva D-0. Hasil penelitian menunjukkan bahwa keempat pakan uji memberikan performansi reproduksi ikan baronang yang tidak berbeda nyata (P>0,05). Induk ikan baronang pada semua perlakuan memijah setiap bulan, fekunditas telur 863-1.149 butir/g induk; diameter oosit 435,7-439,7 µm; diameter telur yang terbuahi 576,1-583,0 µm; tingkat pembuahan telur 94,8%-96,1%; tingkat penetasan telur 78,6%-84,7%; dan panjang larva D-0 berkisar 2,20-2,24 mm; serta kandungan energi larva D-0 5.620-5.662 kal/g. Rumput laut Gracilaria sp. dan Ulva sp. tidak memberikan pengaruh yang berbeda nyata terhadap performansi reproduksi, namun keempat pakan tersebut dapat diaplikasikan dalam pematangan gonad dan pemijahan induk ikan baronang untuk produksi larva secara massal.Reproductive perfomance and quality of larvae of rabbitfish, Siganus guttatus, are still low. Seaweed, Gracilaria sp. and Ulva sp., are the natural food of rabbitfish and contain important nutrients for the fish. This study was aimed at evaluating the effects of seaweed-supplemented artificial diet on the reproductive performance of rabbitfish. The treatments consisted of the artificial diet : (A) without seaweed content, (B) 15% of seaweed, Gracilaria sp. meal, (C) 15% of seaweed, Ulva sp. meal, (D) without seaweed meal (A) + fresh Gracilaria sp. The rabbitfish broodstock with an average weight of 250 ± 20.9 g were maintained in eight concrete tanks measuring at 2.0 m x 1.5 m x 1.0 m. The fish stocking density was 20 fish/tank with the ratio of female and male of 1:1. The observed variables were fecundity, oocyte diameter, fertilized egg diameter, egg fertilization rate, egg hatching rate, D-0 larvae length, and D-0 larvae energy content. The results showed that the feed treatments had no significant effect (P>0.05) on all of reproductive variables of rabbitfish broodstock. The test fish spawned every month, with fecundity, oocyte diameter, fertilized egg diameter, egg fertilization rate, egg hatching rate, D-0 larval length, and the energy content of D-0 larvae ranged between 863-1,149 egg/g fish, 435.7-439.7 µm, 576.1-583.0 µm, 94.8%-96.1%, 78.6%-84.7%, 2.20-2.24 mm, and 5.620-5.662 cal/g, respectively. This study concludes that the application of seaweed Gracilaria sp. and Ulva sp. have no significant effect on the reproductive performanceof rabbitfish broodstock. However, the four test diets could be used in gonad maturation and spawning of rabbitfish in the effort of mass producing the fish larvae for aquaculture.

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DISTRIBUSI SPASIAL IKAN BARONANG Siganus canaliculatus Park, 1797 PADA HABITAT PADANG LAMUN BERBEDA DI TELUK AMBON DALAM

Cited by 11 publications

References 33 publications

Heavy metals content (Hg, Cd, Pb, and Cu) in streaked spinefoot Siganus javus (Linnaeus, 1766) in Bojonegara Waters, Banten Bay, Indonesia

Heavy metals content (Hg, Cd, Pb, and Cu) in streaked spinefoot Siganus javus (Linnaeus, 1766) in Bojonegara Waters, Banten Bay, Indonesia

Struktur Populasi Ikan Baronang pada Ekosistem Lamun Di Pesisir Pulau Bintan

PERFORMANSI REPRODUKSI INDUK IKAN BARONANG, Siganus guttatus YANG DIBERI PAKAN MENGANDUNG RUMPUT LAUT

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