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Authors

Safran Makmur
M. F. Rahardjo
Sutrisno Sukimin

Abstract

An investigation biology of reproduction of snakehead fish (Channa striata Bloch) in flood area of Musi river, South Sumatera; has been done from July until December 2002. The fish samples were collected from the fisherman. The investigation included the measuring of the length and weight of 50 samples monthly, also gonad observation. The result is; snakehead fish, spawned a long the year with the first size of maturity for female is 180 mm, and male is 154 mm. The Gonado-Somatic Index varied from 0.014.83%, fecundity ranged from 1141-16486 eggs, and diameter ranged is between 0.65-1.34 mm. The regulation of using fishing gear, the way of catch, and provisioning conservation area for snakehead fish, represented the effort to keep snakehead fish population naturally. AbstrakHasil penelitian biologi reproduksi ikan gabus (Channa striata Bloch) pada daerah paparan banjir sungai Musi, Sumatera Selatan, telah dilakukan pada bulan Juli-Desember 2002. Sampel ikan dikumpulkan dari nelayan. Penelitian mencakup pengukuran panjang dan berat bulanan dari 50 ekor, juga pengamatan gonad. Hasil penelitian menunjukkan bahwa ikan gabus bertelur sepanjang tahun dengan ukuran pertama matang kelamin untuk betina 180 mm dan jantan 154 mm. Indeks kematangan gonad bervariasi antara 0,01-4,83%, kisaran fekunditas antara 1,141-16,486 butir, kisaran diameter telur antara 0,65-1,34 mm. Peraturan tentang penggunaan alat tangkap ikan. Cara penangkapan dan penentuan area konservasi untuk ikan gabus, digambarkan dari hasil tangkapan ikan dari populasi di alam.

Keywords:
reproduction , snakehead , flood area.

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