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Endemic fish acts as an indicator of a unique and useful fish species population as a key species in conservation efforts. Egg-carrying Buntingi ( Adrianichthys oophorus ) is an of endemic fish species in Poso Lake that needs to be protected from extinction.This study aims to evaluate the morphometric and molecular diversity of rono fish as a basis in the endemic fish conservation strategy. The samples of fish are collected from three populations, namely Tolombo, Taipa, and Ten-tena. A total of 30 fish collected samples from each location are morphometrically measured using the truss morpho-metric method and analyzed applying principle component analysis. The fish samples are molecularly analyzed DNA sequencing using COI. The result of the analysis shows that rono fish populations in Poso lake morphometrically and molecularly have different diversity. In morphometrics, there are 12 characters which are the basic characters of three rono fish populations (p> 0.05), as many as three characters will become characters adapting to an environment (p 0,05), seba-nyak tiga karakter akan menjadi karakter yang beradaptasi terhadap lingkungan (p < 0,05) dan 11 karakter telah bera-daptasi dengan lingkungan (p< 0,01). Hasil analisis morfometrik dan molekuler antar ketiga populasi terlihat sinkron. Populasi Tentena secara morfometrik dan molekuler terpisah dengan populasi lainnya yang berarti memiliki perbedaan nyata pada tingkat DNA dan morfometrik. Implikasi hasil penelitian ini memberikan indikasi bahwa strategi konservasi ikan rono dapat dilakukan dengan memulihkan kembali keragaman gen total ( gen pool ). Pemulihan gen pool dapat dila-kukan melalui perkawinan silang antar tiga populasi yang berbeda, sehingga terjadi aliran gen dan meningkatkan fitness yang akan menjaga populasi ikan rono sebagai jenis endemik tetap lestari.

jurnal iktiologi indonesia

Keragaman genetik ikan rono Adrianichthys oophorus (Kottelat, 1990) spesies endemik di Danau Poso Sulawesi Tengah berdasarkan truss morphometric dan sekuen gen cytochrome C oxidase subunit 1 (COI)