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All Journal Torani Journal of Fisheries and Marine Science Jurnal Perikanan dan Kelautan E-Dimas: Jurnal Pengabdian kepada Masyarakat Jurnal Biologi Tropis Jurnal ABDINUS : Jurnal Pengabdian Nusantara Leuit, Journal of Local Food Security Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Mas Bayu Syamsunarno
Universitas Sultan Ageng Tirtayasa
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Social Sciences

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Journal : Jurnal Biologi Tropis

 1 
Early Study on Embryogenesis O.woworae at Different Salinities Fani Savitri Agatha; Mustahal Mustahal; Mas Bayu Syamsunarno; Muh. Herjayanto
Jurnal Biologi Tropis Vol. 21 No. 2 (2021): Mei - Agustus
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v21i2.2574

Abstract

Oryzias woworae is an endemic fish of Sulawesi. This endemic fish naturally had faced endangered illegal and unlawful capture, therefore it is needed to be protected and conserved by a cultivation system. This research aims to provide basic information related to the cultivation of O. woworae to know the optimum salinity of hatching media and its influence on the hatchability of eggs and the length of time hatching O. woworae. This research was conducted using experimental methods and presented descriptively. The treatment used in this study is 0 ppt, 2-4 pt, 6-8 ppt, 10-12 ppt. The results showed that O. woworae eggs can hatch in salinity 0 ppt until 10-12 ppt and the best salinity for the length of hatching time is treatment of 2-4 ppt which is 7th day 14 hours 20 minutes. Treatment 0 ppt, 2-4 ppt and 6-8 ppt can reach 100%. This can be concluded that the optimum salinity of the hatching rate of Oryzias woworae until 6-8 ppt, but in treatment 10-12 ppt hatchability only gets 80% as some embryos become shrinking. Hatchability per day shows the treatment of 2-4 ppt is the best treatment, on the 7th day as much as 40% and on the 8th day as much as 40%. The optimal salinity for hatching O. woworae eggs is  2-4 ppt treatment, salinity that can expedite the length of hatching time and produce  hatching rate by 100%.  
Dietary Spirulina platensis to Increase Color Brightness and Growth of Betta Fish, Betta splendens Alhan Ferdyawan Saputra; Achmad Noerkhaerin Putra; Mas Bayu Syamsunarno
Jurnal Biologi Tropis Vol. 23 No. 4 (2023): October - December
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i4.5654

Abstract

Betta fish (Betta splendens) are ornamental fish that have a unique color and high economic value. The aim of this research was to evaluate the addition of different doses of S. platensis in feed on color brightness and growth of betta fish. Betta fish (length of 32±4.4 mm) were maintained in containers with a volume of 4 liters at a density of 1 fish/container for 35 days and feeding is done twice a day at satiation. This research consisted of 4 treatments adding different doses of S. platensis in the feed and 5 repetitions, namely: P1: adding S. platensis 0%, P2: adding S. platensis 1%, P3: adding S. platensis 1.5%, and P4: addition of S. platensis 2%. The research results showed that the carotenoids contained in S. platensis are 737.16 ppm/50 g. The addition of S. platensis in feed can improve the color quality of betta fish but does not affect the growth of betta fish. The addition of 1.5% S. platensis in the feed produced the highest values in the parameters of color brightness (9.1 in the 4th week), color diversity (body 62.54%, base of tail 59.52% and tail 61 .22%), and chromatophore cell area (673000 µm2).
Co-Authors Achmad Noerkhaerin Putra Alhan Ferdyawan Saputra Andi Aprainy Fatmawaty Andi Apriany Fatmawaty Aris Munandar Aulia Yuaninda Dian Anggaeni Dian Anggraeni Dodi Hermawan Fani Savitri Agatha Hanifah Shalihah Herjayanto, Muh. Munandar, Aris Mustahal Mustahal Mustahal Nina Ariany Syah Banten Anarki Syamsul Fajri Hidayat