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Journal : Jurnal Medik Veteriner

Comparative Scanning Electron Microscopy Study on Scale Variations in Indonesian Cultivated Koi Fish (Cyprinus rubrofuscus Lacepede, 1803) Andrian, Krisna Noli; Wihadmadyatami, Hevi; Wijayanti, Nastiti; Karnati, Srikanth; Haryanto, Aris
Jurnal Medik Veteriner Vol. 8 No. 2 (2025): October
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmv.vol8.iss2.2025.242-252

Abstract

Koi (Cyprinus rubrofuscus Lacepede, 1803) is a highly favored ornamental fish due to its beauty and wide range of variations in Indonesia, categorized by color, patterns, and scales. Some variants are distinguished by color, while others, such as Ginrin, Doitsu, and Shusui, have unique scale types. Despite visible differences, microscopic scale variations remain unexplored. SEM studies in other fish species offer insights into scale ultrastructure, providing opportunities for comparison. Therefore, this study aimed to uncover the microscopic structure of four types of koi fish, namely Doitsu, Ginrin, Shusui, and common scale. Koi fish were obtained from breeders in Yogyakarta, Indonesia, and acclimatized in an aquarium. Scale extraction was conducted under anesthesia using MS-222 and the cleaned scales were then subjected to dehydration, fixation, and affixed to double-sided adhesive tape for SEM analysis. Furthermore, coating with conductive gold enabled observation using SEM at 10 kV, allowing examination of scale features such as focus, radii, circuli, and lepidonts at various magnifications. The results showed that based on SEM analysis, significant differences were observed in scale structures among koi variants. At low magnification, differences in tubercles and lepidonts were observed, particularly between common and Ginrin scale types. Shusui scale showed unique characteristics with a closer arrangement of circuli and distinctive lepidont shapes. At higher magnification, clearer details of radii, circuli, and lepidonts were observed, further highlighting the differences among koi variants. SEM provides crucial insights into the morphology of scales in koi fish variants, showing unseen macroscopic differences and distinct features such as tubercles and lepidont frequency.
Co-Authors . Sismindari Abdul Rahman Siregar, Abdul Rahman Abrory Agus Cahya Pramana Adelfiani, Adelfiani Adi Sofyan Ansori, Muhammad Aeniah, Siti Agustiningsih Agustiningsih Akira Hosoyama Allimi, Hayu Swari Amalia, Nur Rofika Ayu Shinta Andi Mahendra Andrian, Krisna Noli Anika Prastyowati, Anika Apriliyani, Tia Ardaning Nuriliani ARI SUSILOWATI Ariesti, Wiwin Arif Luthfi Nurul Huda Aris Haryanto Atsushi Yamazoe Aushia Tanzih Al Haq Bambang Hariwiyanto Bambang Retnoaji BUDI SAKSONO Camelia Herdini Ch. Retna Handayani Dafa, Maula Haqul Dafip, Muchamad Dewi Kartikawati Paramita Diani Mentari Dwi Liliek Kusindarta Dyah Widiastuti Empra, Desi Eka Putri ERLIN LISTIYANINGSIH Fajar Sofyantoro Hakim, Mohamad Saifudin Halim, Shuha Ma’muriyah Hanbal, Mayland Muhammad Hendry Tri Sakti Saragih Hera Nirwati Heriyanto, Didik S. Hevi Wihadmadyatami Hideaki Nojiri Ibnu Agus Ariyanto Illiyin, Sirayya Ina Kusrini Jajah Fachiroh, Jajah JAKA WIDADA Juliadmi, Dian Karlina, Ina Karnati, Srikanth Kartika W. Taroeno-Hariadi Kartika, Aprilia I. Lisna Hidayati Mayani, Olvita Mei Ria Santi Michael Kann Muhammad Adnan Mumtazah, Dzul Fithria Munawir Sazali Murwantoko . Naima, Mirtani Nenny Sri Mulyani Ni Wayan Erly Sintya Dewi Nisa, Mutia Khoirun Nuhamunada, Matin Oktaviana, Shintia Peni Indrayudha Pertiwi, Anggita Endar Pertiwi, Gian Aditya Podhi, Felisitas Moli Pradnya Paramita Pratitis, Visi Endah Primahesa, Alfian Prissandi, Anthera Al Firdaus Priyambada, Fajar Purnomo Hadi Pusparini, Nur Ainun Oktavia Puspitasari, Pinki Anggrahini Putra, Hendy Eka R.C. Hidayat Soesilohadi Rahayu, Sekar Ramadhani, Eka Rarastoeti Pratiwi Retno Murwanti Rinda Binugraheni, Rinda Rohmah, Zuliyati Rumansara, Papuani Samparisna Sadewo, Imran Saeed, Faisal Salamah, Rohmi Saragih, Hendry T. S. S. G. Sari, Ria Vinola Septhya Saribu, Ruth Liananda Citra Dolok Septriani, Nur Indah Septriani, Nur Indah Setiawibawa, Raden Aditya Aryandi Shinta Hartanto Simanungkalit, Eben Ezer Slamet Widiyanto Sofia M. Haryana Sofia Mubarika Haryana Subchan, Aditya Nur Sularsah, Sais Supraitno, Murtiadi Erlan Sutaryo1 S, Sutaryo1 T. Trijoko Tasania, Nadia Nisa Titis Widowati, Titis To'bungan, Nelsiani Tri Rini Nuringtyas Tri Wibawa Triska Desi Sundari Tsabitah, Khansa Wulansari, Riska Yundari, Yundari Zulfa, Amania Zulfadhli Zulfadhli Zumrotus Sholichah Zusrina, Laili Mufli ‘Aliyah, Siti Hamidatul