Pola Pertumbuhan dan Indeks Kondisi Gastropoda Gibberulus gibberulus Linnaeus, 1758 di Perairan Padang Lamun Pantai Toronipa Kecamatan Soropia Kabupaten Konawe
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Abstract
Gibberulus gibberulus atau biasa dikenal masyarakat sekitar Pantai Toronipa dengan nama lokal Cungkilang merupakan jenis hewan laut dari famili strombidae yang umumnya ditemukan di daerah pasang surut dan ditumbuhi lamun. Penelitian ini bertujuan untuk mengetahui pola pertumbuhan, indeks kondisi, dan rasio bobot daging G. gibberulus. Penelitian ini dilaksanakan di bulan Januari-Maret 2023 dengan interval pengambilan 1 kali dalam 1 bulan selama 3 bulan. Pengambilan sampel G. gibberulus pada transek kuadrat 1x1 m2 menggunakan metode acak sistematik dengan menggunakan tangan. Sampel G. gibberulus yang dikumpulkan diukur panjang cangkang, panjang terbuka, lebar, dan tebal menggunakan jangka sorong. Hasil penelitian Hubungan panjang dan bobot G. gibberulus jantan dan betina berdasarkan bulan dan stasiun pengamatan memiliki nilai b<3 yang artinya memiliki pola pertumbuhan bersifat alometrik negatif. Indeks kondisi (IK) berkisar 0,10-0,12 yang memiliki pertumbuhan yang kurus. Rasio bobot daging (RBD) berdasarkan bulan pengamatan tertinggi pada bulan Februari 25,99% (jantan) dan 136,19% (betina). Sedangkan berdasarkan stasiun pengamatan tertinggi terdapat pada stasiun I dengan nilai 75,33% (jantan) dan betina berada pada stasiun II (136,195%). Rata-rata pada selang ukuran 30,8-33,0 (jantan) dan 27,1-30,0 (betina).
Kata kunci: Kerang Remis, Pola Pertumbuhan, Rasio Berat Daging.
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