Variasi Makanan Cacing Kacang (Antillesoma sp.) di Perairan Toronipa Kecamatan Soropia Kabupaten Konawe Sulawesi Tenggara Food Variations of Peanut Worms (Antillesoma sp.) in the Waters of Toronipa, Soropia District, Konawe Regency, Southeast Sulawesi
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Abstract
Tujuan penelitian ini adalah untuk mengetahui perbedaan sumber makanan cacing kacang (Antillesoma sp.) di Perairan Toronipa. Penelitian ini dilaksanakan selama tiga bulan, yaitu bulan Agustus sampai dengan bulan Oktober tahun 2023. Teknik pengambilan sampel menggunakan purposive sampling. Habitat cacing kacang di daerah pasang surut dijadikan lokasi penelitian. Untuk pengambilan sampel cacing kacang, digunakan sekop tangan atau kayu. Metode analisis data yang digunakan adalah indeks kepenuhan lambung dan frekuensi kejadian. Pada penelitian indeks kepenuhan lambung berdasarkan bulan didapatkan nilai rata-rata sebesar 8,99% sampai dengan 17,82%. Berdasarkan ukuran, indeks kepenuhan lambung memiliki nilai terendah (10,245%) pada kelas ukuran 8,2-9,4 cm dan nilai terbesar (21,21%) pada kelas ukuran 3-4,2 cm. Jenis pakan Terebridae memiliki frekuensi kemunculan tertinggi di antara jenis pakan yang ditemukan pada ulat kacang tanah yang diperiksa menurut bulan pada bulan Agustus, sedangkan jenis Propebela assimilis memiliki frekuensi terendah pada bulan Oktober. Salinitas (30–33 ppt), pH air (6,7–7,3), pH substrat (6,5–7,1), suhu (28–33 oC), dan bahan organik (3,07–4,71%) merupakan karakteristik kualitas air yang diukur.
Kata kunci: Cacing kacang, Variasi makanan
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