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Journal : Jurnal Sumberdaya Akuatik Indopasifik

Aktivitas Pemijahan, Perkembangan Awal, dan Pertumbuhan Larva Ikan Pelangi Arfak dalam Kondisi Laboratorium: Studi Pendahuluan untuk Penangkarannya Emmanuel Manangkalangi; Ida Lapadi; Paskalina Theresia Lefaan; M. Fadjar Rahardjo; Renny K. Hadiaty; Sigid Hariyadi; Charles P. H. Simanjuntak
Jurnal Sumberdaya Akuatik Indopasifik Vol 5 No 3 (2021): Agustus
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2021.Vol.5.No.3.165

Abstract

Comprehensive information regarding the reproduction, early development, and growth of larvae is very important in the efforts of captive breeding and reintroduction of endangered fish species. One of the species that is starting to be threatened is the Arfak rainbowfish, Melanotaenia arfakensis which is already in the vulnerable category and its information is still relatively limited. Therefore, this study was conducted to describe the spawning activity, early development, and growth of the larvae of this rainbow fish species under laboratory conditions. Experiments on a laboratory scale were carried out in March-September 2017. The fish used came from the Nimbai Stream. A total of three pairs of individual males and females ranging in size from 46.5 to 60.1 mm were selected for treatment. However, only one pair was successfully observed spawning activity completely. Spawning takes place between morning and noon in three spawning periods. In each period, spawning lasts between 8 and 11 days. Between spawning periods takes 14 to 22 days. After fertilization, the eggs are attached with filaments to the spawning substrate and placed at a depth of 7.3-24.3 cm from the surface of the water. One group of eggs spawned consists of 78-116 eggs with a diameter range between 1.05 and 136 mm. The eggs hatch in a period of 4 to 10 days. The body length of the newly hatched larvae ranges from 4.13-4.40 mm and will reach a size of 7.85 mm with a survival rate of 48.1% after 41 days. The results of this study found several advantages from the characteristics of spawning and growth in the early stages that are useful for captive breeding efforts and reintroduction of this rainbowfish to their natural habitat. Thus, its population in the Prafi River system can be maintained.
Co-Authors . Muliani Achmad Fahrudin Adham Panji Agung Dhamar Syakti Agustinus M Samosir Aliati Iswantari Andri Warsa Ario Damar Ayu, Inna Puspa Bambang Kurniadi Budi Kurniawan Charles Parningotan Haratua Simanjuntak Dade Jubaedah Dade Jubaedah Dede Heri Yuli Yanto Dedi Soedharma Dewayani Sutrisno Dirgantara, Pedryn Djamar Tumpal F. Lumbanbatu Dwi Suci Indah Permata Sari Dwi Yuni Wulandari Edi F Prahastiano ekamaida, ekamaida Elvi Yetti Emmanuel Manangkalangi Enan Mulyana Adiwilaga Endang Juniardi Etty Riani Fahriyatun Mufidah, Farah Fatreza, Ridho Fatwa, Esa Buana Fitri Afina Radityani Fonseca, Abilio da Fuquh Rahmat Shaleh Ghinarrahmi Afiyatillah Gunawan Pratama Yoga, Gunawan Pratama H Wijayanto Handoko Adi Susanto Hasibuan, Febya Rizki Hawis H Madduppa Hefni Effendi Hermana, Indra Setiadi Hidayah, Rofi’ul Hidayat Hidayat Hilman Hidayat I Wayan Nurjaya Ida Lapadi Ika Fitria Hasibuan Indri Yani Zaini Irfanudin Rizaki Ismail Ismail Ismudi Muchsin Ismudi Muchsin Jamal, Aulia Fitri Joni Haryadi D Kadarwan Soewardi Kadarwan Soewardi Kadarwan Soewardi Kaswanto, Regan Leonardus Kaswanto Kiswari, Dhona Indah Kiswari, Dhona Indah La Ode Alifatri Lufisari Herdianti lukman, lukman Luky Adrianto M. F. Rahardjo M. Fadjar Rahardjo M. Fadjar Rahardjo M. Mukhlis Kamal, M. Mukhlis Majariana Krisanti Mala Nurilmala Marisi, Dany Poltak Mennofatria Boer Mohammad Mukhlis Kamal Muarif Muarif Muchsin, I. Muhamad Komarudin Muhamad Suhaemi Syawal Mukti Ali Muliani Muliani Nadya Adharani Nandi Abdul Aziz Nandi Kosmaryandi Nasution, Syahroma Husni Neri Kautsari Niken T.M. Pratiwi Niken TM Pratiwi Niken TM Pratiwi Niken Tunjung Murti Pratiwi Novi Andareswari Novita MZ Nursiyamah, Siti Nursiyamah, Siti Pangaribuan, Adianto Paskalina Theresia Lefaan Purwoko, Agus Rahman Rahman Rahmat Padyawan, Andhy Renny K Hadiaty Renny K. Hadiaty Renny K. Hadiaty RIFKI TAJUDIN Rita Rostika Romi Seroja Roni Hermawan Roni Hermawan Rusdi Husin Santos, Alzira de Jesus dos Selvi Marcellia Setyobudiandi, I. Sita Heris Anita Siti Rosa Oktavia Solly Aryza Sonja Kleinertz Sugiarti, Ade Sulaiman, Goran Suryanti Afifah Sulaiman, Goran Suryanti Afifah Sulistiono Sulistiono Sulistiono Sulistiono Sulistiono Suparman Supardi Suprihatin Suprihatin Suprihatin Suprihatin SYAHRIAL SYAHRIAL Syamsul Bahri Agus, Syamsul Bahri Syarif, Nawas Taryono Taryono Taryono Taryono, Taryono Taslim Arifin Tri Apriadi Tri Suryono, Tri Triwisesa, Endra Triyadi Purnomo Yonvitner - Yusli Wardiatno