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All Journal Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology)
Kazunori Yamahira
Tropical Biosphere Research Center, University of the Ryukyus
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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New localities of the Oryzias woworae species group (Adrianichthyidae) Kazunori Yamahira; Koji Mochida; Shingo Fujimoto; Daniel F. Mokodongan; Javier Montenegro; Takuma Kaito; Asano Ishikawa; Jun Kitano; Taketoshi Sue; Mulis Mulis; Renny K. Hadiaty; Ixchel F. Mandagi; K.W. Alex Maseng
Jurnal Iktiologi Indonesia Vol 16 No 2 (2016): June 2016
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v16i2.35

Abstract

The Oryzias woworae species group, composed of O. asinua, O. wolasi, and O. woworae, is a group of the family Adrianichthyidae endemic to Sulawesi Tenggara (Southeast Sulawesi). Here, we report new localities of each of the three species in this group, which were collected during our field expeditions in 2014-2015. In total, six new localities were discovered throughout Sulawesi Tenggara, including Muna Island, suggesting that they may have wider species ranges than currently recognized. Some of the new localities were independent of the river systems of the known localities, suggesting that each species is genetically structured, and that the unit for conservation should be considered not as each species but as each local population. Abstrak Kelompok spesies Oryzias woworae, family Adrianichthyidae, terdiri atas O. asinua, O. wolasi, dan O. woworae, merupakan spesies endemik di Sulawesi Tenggara. Selama ekspedisi lapangan tahun 2014-2015, kami mencatat setiap spesies dari ketiga spesies dalam grup ini dijumpai di beberapa lokasi baru. Secara keseluruhan, enam lokasi baru telah ditemukan sepanjang daerah Sulawesi Tenggara, termasuk Pulau Muna, yang menunjukkan bahwa grup tersebut kemungkinan memiliki daerah persebaran lebih luas dari yang diketahui saat ini. Sebagian lokasi baru berasal dari sistem aliran sungai yang berbeda dengan lokasi yang telah diketahui selama ini. Hal ini menunjukkan bahwa tiap spesies terstruktur secara genetik, dan bahwa unit konservasi harus dipertimbangkan bukan untuk tiap spesies tetapi untuk tiap populasi lokal.
The loaches of the genus Nemacheilus (Teleostei: Nemacheilidae) in Sunda Islands, with an identification key [Ikan genus Nemacheilus (Teleostei: Nemacheilidae) di Kepulauan Sunda, berikut kunci identifikasinya] Renny Kurnia Hadiaty; Kazunori Yamahira
Jurnal Iktiologi Indonesia Vol 14 No 2 (2014): Juni 2014
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v14i2.85

Abstract

Loaches of the genus Nemacheilus are distributed in Southeast Asia from the mainland of Asia to Sunda Islands (Sumatra, Java, and Borneo). In this paper, the status of Nemacheilus in Sunda Islands is discussed base on the results of field trips in Indonesian waters, the fish collections in Museum Zoologicum Bogoriense, and published papers. There are 18 species in Sunda Islands, 8 species inhabit in Sumatra and 10 species in Kalimantan, and only 2 species inhabit in Java. An idetification key of the 18 species is also included. Abstrak Ikan genus Nemacheilus tersebar meliputi wilayah Asia Tenggara, dari daratan Asia sampai ke Kepulauan Sunda (Sumatra, Jawa, dan Kalimantan). Dalam tulisan ini dikemukakan status Nemacheilus di pulau-pulau tersebut berdasarkan hasil kegiatan lapangan di perairan Indonesia, koleksi di Museum Zoologicum Bogoriense (MZB), dan tulisan yang te-lah dipublikasi. Di Kepulauan Sunda dijumpai 18 species Nemacheilus, delapan spesies dijumpai di Sumatra, 10 spesies di Kalimantan dan hanya dua spesies di Jawa. Kunci identifikasi 18 spesies Nemacheilus disertakan.
Co-Authors Asano Ishikawa Daniel F. Mokodongan Ixchel F Mandagi Javier Montenegro Jun Kitano K.W. Alex Maseng Koji Mochida Mulis Renny K. Hadiaty Renny Kurnia Hadiaty Shingo Fujimoto Taketoshi Sue Takuma Kaito