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All Journal Jurnal Akuakultur Indonesia Jurnal Sains dan Inovasi Perikanan/Journal of Fishery and Innovation (JSIPi) Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Jurnal Riset Akuakultur Jurnal Pengabdian Magister Pendidikan IPA Indonesian Journal of Halal Research Jurnal Abdi Insani Jumat Keagamaan: Jurnal Pengabdian Masyarakat Connection : Jurnal Pengabdian Kepada Masyarakat Media Akuatika: Jurnal Ilmiah Jurusan Budidaya Perairan Altifani : Jurnal Pengabdian Masyarakat Ushuluddin, Adab, dan Dakwah Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Aceh Journal of Animal Science Bina Bahari : Jurnal Pengabdian Kepada Masyarakat Journal of Fisheries & Marine Al-Mabsut: Jurnal Studi Islam dan Sosial Mores: Jurnal Pendidikan Hukum, Politik dan Kewarganegaran
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Haluoleo University
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Journal : Journal of Fisheries

 1 
Enhancement of Skin Pigmentation and Intestinal Health in Comet Goldfish (Carassius auratus) Using Dunaliella salina Teodoresco 1905 Supplemented Diets Iba, Wa; Martono, Martono; Syam, Rukman Awan; Ruslaini, Ruslaini; Abidin, La Ode Baytul; Kurnia, Agus; Nur, Indriyani; Rice, Michael A
Jurnal Ilmiah Perikanan dan Kelautan 2026: JIPK VOLUME 18 ISSUE 2 YEAR 2026 (JUNE 2026, ISSUE IN PROGRESS)
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v18i2.83250

Abstract

Graphical Abstract Highlight Research 1. Dunaliella salina meal (7–9%) optimally enhanced skin carotenoid deposition in C. auratus. 2. Higher D. salina inclusion improved intestinal morphology and reduced inflammatory lesions. 3. Intestine somatic index stabilized at 7–9%, indicating better digestive efficiency. 4. Survival rates increased with D. salina supplementation due to antioxidant and immunoprotected effects. 5. Microalgal carotenoids show strong potential as functional additives for ornamental fish feed.   Abstract Maintaining efficient and stable carotenoid-based pigmentation remains a challenge in aquaculture due to limited dietary carotenoid bioavailability and variable intestinal absorption. Comet goldfish (Carassius auratus) were used as a model species for aquaculture nutrition and digestive physiology to evaluate the effects of natural carotenoid supplementation from microalgae Dunaliela salina on skin pigmentation and intestinal health. This study aims to determine the effect of D. salina meal addition in formulated feed on the carotenoid content of fish skin, growth and survival as well as the intestinal condition of comet gold fish. Experimental diets were prepared by incorporating D. salina meal into a formulated feed at graded inclusion levels (0, 3, 5, 7, and 9%), where the microalgal meal was homogenized with other feed ingredients, pelleted, and oven-dried before use. The initial weight of experimental fish was 4 ± 1 g. The fishes were maintained in aquarium measuring of 40 × 35 × 35 (l × w × h) cm for 30 days and fed until satiation with 5 treatments of formulated feed added microalgae meal at 0, 3, 5, 7 and 9 %.  Commercial feed was used as control feed and all treatments were in triplicates. The highest final carotenoid content in skin of comet fish at 14.82 mg. g-1 was obtained with addition of 7 % microalgae meal.  The highest weight gain was obtained with addition of 5 % microalgae meal at 5.5 g.  Normal comet fish intestinal morphology was found in those feds on 9 % microalgae meal. Intestinal inflammation was observed in those feds with the addition of 3, 5 and 7 % microalgae meal and control feed.  The intestinal somatic index (ISI) value obtained was 1.08-3.06 %.  The survival was 100 % in fish fed with the addition of microalgae meal at high percentage from 5-9%. The findings provide practical guidance for developing natural, microalgae-based functional feeds that improve pigmentation efficiency, support intestinal health, and enhance survival, thereby contributing to more sustainable and economically valuable aquaculture production.  We recommend to use 7-9 % of D. salina meal for use in aqua feed to maintain optimal color, growth and survival of ornamental fish or cultured finfish in general.
Co-Authors . Yusnaini, . A.A. Ketut Agung Cahyawan W Abdul Hamid Abdul Khalik Abdul Majid Abdul Rahman Amanda, Rahel Andrian Anggraini, Safira Fitri Anshar, Anshar Anwar Anwar Anwar, Asni Aqila, Baiq Zahra Rija Asban, Asban Aslin, La Ode Asnani, , Asni Asni Baalu, Nurfati Baalu, Nurfati Balubi, Abdul M. Balubi, Abdul M. Balubi, Abdul Muis Cilia, . Cilia, . Dahlan, Jon Daniel Happy Putra Deslianti, Beybi Deslianti, Beybi Didyawati, Putri edi edi Effendy, Irwan J. Effendy, Irwan J. Eka Apriani Lestari Fachry Abda El Rahman Fadhlina Shahira Fatmawati, Famawati Febrianti, Erica Hafiz, M. Zainuddin Abdul Hak, Ainul Hak, Ainul Hamsah, Hamsah Harahap, Wulandari Haya, Yasir Heri Sudarsono Humamurrizqi, Humamurrizqi Husna, Hanipatul Iba, Wa Iba, Wa Ijal, Kasrun Ikawati, Retty Ilyas, Sulastri Irwan Junaidi Effendy Jali, Wa Jamaludin . Julizar, Syukur Jumarlin, Jumarlin Kalidupa, Nursina Kalidupa, Nursina Kamri, Syamsul Kasim, Ma'ruf Khairunnisa Khairunnisa Kusyadi, Yudi La Ode Baytul Abidin La Ode Muhamad Munadi La Usaha, La Usaha Lawao, Anci Lestari, Nanda Martono Martono Meda, Rabi S. Meda, Rabi S. Muhaimin Hamzah Muhammad Arif Muhammad Haikal Muhammad Idris Muhammad Idris Muis Muis, Muis Muliati, Muliati Mulki, Rasak Muskita, Wellem Muskita, Wellem H Muskita, Wellem H. Muskita, Wellem Henrik Ningsi, Sri W. Ningsi, Sri W. Nuanmark, Ponchanok Nur Asia, Nur Nur, Indriyani Nur, Indriyani Nuridah, Nuridah Nurmaladewi, Nurmaladewi Nurul Qamariah, Nurul Oce Astuti Octora, Baiq Malika Berliana Pariakan, Arman Patadjai, Rahmad Sofyan Patadjai, Rahmat S. Patadjai, Rahmat S. Permadi, Sufria Dimi Piliana, Wa Ode Purbaningsih, Yuli Ratih, Wahyu Erinna Razak, La Ode Abdul Resti Julia Agustiandini Rezal, Farit Rice, Michael A Rizky Rizky, Rizky Rukmana, Sitti Rukmana, Sitti Ruslaini, Ruslaini Saban, Andi N. Saban, Andi N. Sabarno, Arif Sabarno, Arif Sabilu, Kadir SAFRUDDIN, MUHAMMAD Saltin, Ahmad Santi Santi Sarna, Sarna Sarniati, . Sarniati, . Siti Nur Azizah, Siti Nur Suaida, Suaida Subiyanto, Resa Putri Fibriyanti Sukriawan, Sukriawan Suriadi Suriadi, La Syam, Ratna Nur Syam, Rukman Awan Syamsiar, Syamsiar Thoyba, H. Ummi, Nazila Rialul Wa Ode Salma Wardani, Putri Amalia Wellem H. Muskita Winda Miranti Yusnaini ., Yusnaini Yusnaini Yusnaini Yusniarti, . Yuukanna, Azuka B. Zerlinda Ariesta Pratiwi Zurah, Syauqi