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All Journal Acta Aquatica: Aquatic Sciences Journal Jurnal Riset Akuakultur Jurnal Penelitian Perikanan Indonesia
Dananjaya, Wayan Kantun
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Materials Science & Nanotechnology Other

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Size and growth of the threadfin bream (Nemipterus japonicus Bloch, 1791) which was caught in the fishing apartment in Kire Waters Central Mamuju Ibrahim, Ibrahim; Dananjaya, Wayan Kantun; Moka, Wilma Joana
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 12: No. 1 (April, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v1i1.14361

Abstract

Threadfin bream is a demersal fish that is intensively used by the community because it has high economic value. thereby encouraging increased fishing efforts both in open waters and in areas where fish apartments are installed. Therefore, there is a need for studies of Threadfin bream caught in fish apartments as an effort to maintain their survival. This research aims to analyze the size distribution, length-weight relationship, and condition factors of threadfin bream caught in fish apartments. The research is classified as a survey type with data sources from fishermen's catches carried out in three fish apartments that have been installed for six years in Kire Budong-Budong Village, Central Mamuju Regency. The research results showed that the number of threadfin bream that were observed was 205 fish with a distribution of 46 fish in the first apartment, 67 fish in the second apartment and 92 fish in the third apartment. The length and weight of threadfin bream caught in each apartment were 20.28 ± 2.74 cm and 120.66 ± 37.84 g for the first apartment, 20.16 ± 3.24 cm and 121.52 ± 48, respectively. 44 for the second apartment 20.13 ± 3.15 cm and 120.74 ± 45.85 g for the third apartment. Meanwhile, the growth pattern of threadfin bream for the three fish apartments was negative allometric and the condition factor value ranges from 0.8872 to 1.145.Keywords: Central Mamuju; Condition Factor; Fish Apartment; Growth; Size Distribution; Threadfin Bream
KOMPOSISI HASIL TANGKAPAN DAN DISTRIBUSI UKURAN CUMI-CUMI (Loligo chinensis, Gray 1849) DENGAN MENGGUNAKAN ATRAKTOR DI PERAIRAN SELAT MAKASSAR Dananjaya, Wayan Kantun; Merliana, Merliana Merliana; Kabangga, Arnold Kabangga
Jurnal Penelitian Perikanan Indonesia Vol 29, No 4 (2023): (Desember) 2023
Publisher : Politeknik Kelautan dan Perikanan Karawang, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.29.4.2023.215-223

Abstract

Squid is one of the marine fishery commodities that is widely used by the public, causing increasing demand. This research aims to determine the composition and size distribution of squid catches based on attractor color. The research used three attractor colors, namely white, black and blue and operated in the waters of the Makassar Strait for 12 trips on a squid fishing boat using hand lines. The results of the research showed that the catch was 149 individuals with a composition of 16.11% caught on white attractors, 32.21% caught on black attractors and 51.68% caught on blue attractors. Weight distribution of squid using white attractor ranges from 10-55 g (29.75 ± 12.86 g), tentacle length 6-15.3 cm (8.94 ± 2.35 cm), black attractor 15-99 g (36.58 ± 17.63 g) tentacle length 7.5-20 cm (10.33 ± 2.34 cm) and blue attractor 15-95 g (46.62 ± 21.93 g) tentacle length 7-19 .2 cm (11.39 ± 2.84 cm). The composition of the catch, the distribution of mantle length and the largest weight were obtained from the blue attractor.
The appearance of whale shark (Rhincodon typus) in Kwatisore Waters, Nabire District, Central Papua Province Punusingon, Olfie; Dananjaya, Wayan Kantun; Rapi, Nuraeni L.
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 11: No. 3 (December, 2024)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v11i3.14384

Abstract

The appearance of whale sharks (Rhincodon typus) is related to the availability of food in certain waters and is a tourist attraction so integrated management is needed so that they do not become a threat to whale sharks. Whale sharks appear regularly and take place throughout the year with the largest number of individuals only occurring in Kwatisore waters. This study aims to examine the bioecology of whale sharks, which is related to appearance based on individuals, number and time of appearance and sex. Primary data collection was carried out from January to March 2023, using the census method on 4 charter fishing gear units anchored in Kwatisore waters. The results showed that 21 individuals of whale sharks appeared with a total of 225 appearances in January, 245 appearances in February and 248 appearances in March and there was one new individual who migrated into Kwatisore waters with ID number 184. Whale sharks appear mostly in the morning with a percentage of 100% with a total length ranging from 3 to 7.5 m.Keywords: Appearance; New Individuals; Whale Sharks
PENGARUH PENGGUNAAN Artemia salina YANG DIPERKAYA DENGAN ASAM AMINO TERHADAP SINTASAN LARVA RAJUNGAN (Portunus pelagicus Linn. 1758) STADIA ZOEA Dananjaya, Wayan Kantun; Sukriani, Sukriani; Latief, Nursidi; Cahyono, Indra
Jurnal Riset Akuakultur Vol 18, No 3 (2023): (September, 2023)
Publisher : Politeknik Kelautan dan Perikanan Jembrana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jra.18.3.2023.173-180

Abstract

Sintasan dalam usaha budidaya rajungan sangat ditentukan oleh pakan yang diberikan selama pemeliharaan. Penelitian ini bertujuan untuk mengevaluasi penambahan asam amino pada Artemia salina pada dosis yang berbeda untuk meningkatkan sintasan larva rajungan. Penelitian dirancang menggunakan rancangan acak lengkap (RAL) dengan empat perlakuan dan tiga ulangan. Perlakuan diberikan dengan cara memperkaya A. salina menggunakan multi asam amino sesuai dengan dosis meliputi perlakuan A: 0,0; B: 2,5; C: 5,0; dan D: 7,5 ppm. Hasil penelitian memperlihatkan bahwa sintasan larva rajungan pada masing-masing perlakuan yaitu A.11,85 ± 0,40%; B. 16,18 ± 0,18%; C. 37,68 ± 0,20%; dan D. 50,35 ± 0,10% dengan pola hubungan yang polinomial antarpemberian dosis multi asam amino dengan sintasan larva rajungan. Berdasarkan hasil penelitian ini, disimpulkan bahwa penambahan multi asam amino pada A. salina sebagai pakan alami mampu meningkatkan sintasan larva rajungan pada stadia zoea. Survival in blue swimming crab cultivation is largely determined by the feed provided during the rearing period. This study aimed to evaluate the addition of amino acids to Artemia salina at different doses to increase the survival of blue swimming crab larvae. The study was designed using a completely randomized design (CRD) with four treatments and three replications. Treatments were applied by enriching A. salina using multi amino acids according to the doses including treatment A: 0.0; B: 2.5; C: 5.0; and D: 7.5 ppm. The results of the study showed that the survival of blue swimming crab larvae in each treatment was A. 11.85 ± 0.40%; B. 16.18 ± 0.18%; C. 37.68 ± 0.20%; and D. 50.35 ± 0.10 with a polynomial relationship pattern between administration of multi-amino acids doses and survival of blue swimming crab larvae. Based on the results of this study, it was concluded that the addition of multi amino acids to A. salina as a live feed was able to increase the survival of blue swimming crab larvae at the zoea stage.
Co-Authors Cahyono, Indra Ibrahim Ibrahim Kabangga, Arnold Kabangga Latief, Nursidi Merliana, Merliana Merliana Moka, Wilma Joana Nuraeni L Rapi Punusingon, Olfie Sukriani, Sukriani