Morphological variations and molecular phylogeny of Oryzias sarasinorum Popta, 1905 (Ricefish) from Lake Lindu, Central Sulawesi, Indonesia

SYECH ZAINAL (SYECH ZAINAL, ANDI TANRA TELLU, AMIRUDDIN KASIM Department of Biology Education, Faculty of Teacher Training and Education, Universitas Tadulako. Jl. Soekarno Hatta KM. 9, Palu 94148, Central Sulawesi, Indonesia)
ANDI TANRA TELLU (Department of Biology Education, Faculty of Teacher Training and Education, Universitas Tadulako. Jl. Soekarno Hatta KM. 9, Palu 94148, Central Sulawesi, Indonesia)
AMIRUDDIN KASIM (Department of Biology Education, Faculty of Teacher Training and Education, Universitas Tadulako. Jl. Soekarno Hatta KM. 9, Palu 94148, Central Sulawesi, Indonesia)

Biodiversitas Journal of Biological Diversity
Vol. 23 No. 7 (2022)

Abstract. Zainal S, Tellu AT, Kasim A. 2022. Morphological variations and molecular phylogeny of Oryzias sarasinorum Popta, 1905 (Ricefish) from Lake Lindu, Central Sulawesi, Indonesia. Biodiversitas 23: 3443-3451. Oryzias sarasinorum Popta, 1905 is a well-studied species endemic to Lake Lindu, Central Sulawesi, Indonesia and identified as scarce. This study aims to describe the morphological variation and phylogeny of Oryzias sarasinorum Popta, 1905 from Lake Lindu, Central Sulawesi Province, Indonesia. This research was conducted in February 2022. 10 samples were collected and preserved on 95% ethanol for morphological analysis and molecular purposes. Our morphological analysis showed that the meristic counts, morphometric measurement, and phylogenetic analysis also resolved that the samples that were analyzed are indeed an endemic species of O. sarasinorum from Lake Lindu. Finally, we expect there are future studies that pay attention to well-resolved phylogenies and thereby remove additional noise from the analysis. The research data are expected to contribute to the preservation and utilization of one of Indonesia's important biodiversity resources.