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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA)
Kiki Nur Azam Kholil
Nagoya City University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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Molecular Analysis Using Cytochrome Oxidase Subunit I (COI) to Confirming New Recorded Oryzias hubbsi in Central East Java Ecoregion Akhsan Fikrillah Paricahya; Kiki Nur Azam Kholil; Rengga Retno Laila Saputri; Muh. Herjayanto; Dewa Gede Raka Wiadnya; Abd. Rahem Faqih; Agung Pramana Warih Marhendra
Jurnal Penelitian Pendidikan IPA Vol 10 No 7 (2024): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i7.6802

Abstract

Oryzias hubbsi's distribution is rarely discussed, as it is believed to only occupy the western part of Java, while its conservation status is Near Threatened (NT) as of 15 October 2018 on the IUCN red list. Specimens of O. hubbsi were recorded from Bandung and Jakarta in the description, other reports for O. hubbsi are commonly from Southern Sumatra-Western Java (SWJ) ecoregion in Java. However, an unexpected discovery of the genus Oryzias in Semarang freshwater opens up opportunities for the hidden spread of O. hubbsi to Central Java, and especially to other ecoregions which is Central and East Java (CEJ). Morphological approaches with distinctive O. hubbsi characters, complemented by molecular approaches with O. hubbsi samples from the Bogor population, confirmed similarities of species between both populations. Genetic distance using p-distances between both populations was below 2%, both populations made obvious clusters with a gap of 0.5%, and differed by five nucleotide base sites only. This new distribution record of O. hubbsi can be a foundation for conservation and domestication planning efforts.
Analisis Morfologi Integratif Ikan Berod (Mastacembelus unicolor) di Sungai Brantas, Jawa Timur Ifa Sufaichusan; Septiana Sri Astuti; Akhsan Fikrillah Paricahya; Bela Fatma Hani Ayu Lestari; Kiki Nur Azam Kholil; Fisma Josara Apriliyanti; Ating Yuniarti; Maheno Sri Widodo; Wahyu Endra Kusuma
Jurnal Penelitian Pendidikan IPA Vol 10 No 11 (2024): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i11.7978

Abstract

Mastacembelus sp., a member of the Mastacembelidae family, is distributed across Java, Sumatera, and Kalimantan. Mastacembelus, locally named berod fish in the Brantas River lacks population’s descriptions and morphological analyses. Morphological analyses, including morphometric and meristic descriptions, are important for precise identification and classification of kinship relationships, serving as a cornerstone in the fields of biology, taxonomy, and conservation. This study aimed to conduct a comprehensive morphometric and meristic identification of the berod fish population in the Brantas River, East Java. A total of 37 samples were collected from 6 different locations: Blitar, Tulungagung, Kediri1, Kediri2, Nganjuk, and Mojokerto. The morphometric measurements were based on 25 characters, while the meristic calculations were based on 6 characters. The data analyzed with PCA and CA using SPSS and PAST programs. The results revealed that berod fish in the Brantas River had morphological characters belongs to the Mastacembelus unicolor. However, notable disparities were observed in meristic characters, particularly in the Dorsal Fin Spines (DFS). PCA analysis showed significant differences in morphometric characters but not supported by meristic characters. These results underscore the importance of integration both morphological and meristic analyses for a comprehensive understanding of the berod fish population.
Co-Authors Abdul Rahem Faqih Agung Pramana Warih Marhendra Akhsan Fikrillah Paricahya Ating Yuniarti Bela Fatma Hani Ayu Lestari Dewa Gede Raka Wiadnya Fisma Josara Apriliyanti Ifa Sufaichusan Maheno Sri Widodo, Maheno Sri Muh. Herjayanto Rengga Retno Laila Saputri Septiana Sri Astuti Wahyu Endra Kusuma