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Feminization of Maroon Clownfish (Amphiprion biaculeatus, Bloch 1790) with 17β-Estradiol Hormonal Induction

Jurnal Ilmiah Perikanan dan Kelautan · Vol. 15 No. 2 (2023) · hlm. 346–360

DOI
10.20473/jipk.v15i2.42765
ISSN
2528-0759, 2085-5842
Terbit
2023-08-05
Penerbit
Faculty of Fisheries and Marine Universitas Airlangga
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc-sa/4.0

Abstrak

Highlight Research The 17β-estradiol hormone induction reduces the percentage of R values in skin and fin color by as much as 50-60%. The 17β-estradiol hormone induction increases total length and body weight, estradiol content, GIS and HIS, and also glucose content. The 17β-estradiol hormone induction shows mature development of the gonadal profile from functional male to functional female. Abstract As maroon clownfish (Amphiprion biaculeatus) is a protandrous hermaphroditic fish, feminization process with 17β-estradiol hormone can be applied to accelerate the female broodstock candidate supply for further spawning effort. This study aimed to evaluate the feminization of A. biaculeatus with 17β-estradiol hormonal induction. This study used a completely randomized design with several hormone dosage, namely P0 (without 17β-estradiol hormone induction), P1 (0.5 μg 17β-estradiol/g body), P2 (1.0 μg 17β-estradiol/g body), and P3 (1.5 μg 17β-estradiol/g body). These treatments were applied with three replications. Five fish composed of α-fish, β-fish, and three γ-fish were reared in each aquarium for 90 days with a flowing water system. The α- and β-fish were then removed, while the γ-fish was injected with hormone. Otohime pellet feed was fed three times a day until apparent satiation. The results showed that the 17β-estradiol hormone could induce 100% of the feminization process of male A. biaculeatus. The dosage of P3 obtained the lowest value percentage of red, green, blue (RGB), but showing the highest total of length and body weight (6.67±0.42 cm and 6.40±0.78 g, respectively), estradiol content (149.73±4.24 ρg/mL), GSI and HSI (0.38±0.07% and 3.59±0.49%), and glucose content (4.67±0.64 mg/dL), followed by more mature gonad profile than other treatments. This condition indicates that fish in P3 treatment has been reversed as functional female. The average survival rate for the treatment was as high as 60%. Therefore, the application of 17β-estradiol hormonal induction is effective for the feminization process in A. biaculeatus as a protandrous hermaphroditic fish.

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Sumber metadata: OAI-PMH (metadata jurnal) https://e-journal.unair.ac.id/index.php/JIPK/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en-US">Feminization of Maroon Clownfish (Amphiprion biaculeatus, Bloch 1790) with 17β-Estradiol Hormonal Induction</dc:title>
	<dc:creator>Sahusilawane, Helena</dc:creator>
	<dc:creator>Sudrajat, Agus Oman</dc:creator>
	<dc:creator>Suprayudi, Muhmmad Agus </dc:creator>
	<dc:creator>Soelistyowati , Dinar Tri </dc:creator>
	<dc:creator>Tumbelaka, Ligaya I. T. A. </dc:creator>
	<dc:creator>Effendi, Irzal</dc:creator>
	<dc:subject xml:lang="en-US">Feminization</dc:subject>
	<dc:subject xml:lang="en-US">17β-estradiol</dc:subject>
	<dc:subject xml:lang="en-US">A. biaculeatus</dc:subject>
	<dc:subject xml:lang="en-US">Protandrous Hermaphroditic</dc:subject>
	<dc:description xml:lang="en-US">Highlight Research

The 17β-estradiol hormone induction reduces the percentage of R values in skin and fin color by as much as 50-60%.
The 17β-estradiol hormone induction increases total length and body weight, estradiol content, GIS and HIS, and also glucose content.
The 17β-estradiol hormone induction shows mature development of the gonadal profile from functional male to functional female.

Abstract
 
As maroon clownfish (Amphiprion biaculeatus) is a protandrous hermaphroditic fish, feminization process with 17β-estradiol hormone can be applied to accelerate the female broodstock candidate supply for further spawning effort. This study aimed to evaluate the feminization of A. biaculeatus with 17β-estradiol hormonal induction. This study used a completely randomized design with several hormone dosage, namely P0 (without 17β-estradiol hormone induction), P1 (0.5 μg 17β-estradiol/g body), P2 (1.0 μg 17β-estradiol/g body), and P3 (1.5 μg 17β-estradiol/g body). These treatments were applied with three replications. Five fish composed of α-fish, β-fish, and three γ-fish were reared in each aquarium for 90 days with a flowing water system. The α- and β-fish were then removed, while the γ-fish was injected with hormone. Otohime pellet feed was fed three times a day until apparent satiation. The results showed that the 17β-estradiol hormone could induce 100% of the feminization process of male A. biaculeatus. The dosage of P3 obtained the lowest value percentage of red, green, blue (RGB), but showing the highest total of length and body weight (6.67±0.42 cm and 6.40±0.78 g, respectively), estradiol content (149.73±4.24 ρg/mL), GSI and HSI (0.38±0.07% and 3.59±0.49%), and glucose content (4.67±0.64 mg/dL), followed by more mature gonad profile than other treatments. This condition indicates that fish in P3 treatment has been reversed as functional female. The average survival rate for the treatment was as high as 60%. Therefore, the application of 17β-estradiol hormonal induction is effective for the feminization process in A. biaculeatus as a protandrous hermaphroditic fish.</dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Fisheries and Marine Universitas Airlangga</dc:publisher>
	<dc:date>2023-08-05</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>text/xml</dc:format>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://e-journal.unair.ac.id/JIPK/article/view/42765</dc:identifier>
	<dc:identifier>10.20473/jipk.v15i2.42765</dc:identifier>
	<dc:source xml:lang="en-US">Jurnal Ilmiah Perikanan dan Kelautan; Vol. 15 No. 2 (2023): JURNAL ILMIAH PERIKANAN DAN KELAUTAN; 346-360</dc:source>
	<dc:source>2528-0759</dc:source>
	<dc:source>2085-5842</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://e-journal.unair.ac.id/JIPK/article/view/42765/41024</dc:relation>
	<dc:relation>https://e-journal.unair.ac.id/JIPK/article/view/42765/25751</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2023 Jurnal Ilmiah Perikanan dan Kelautan</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc-sa/4.0</dc:rights>
</oai_dc:dc>