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      Makanan dan Kebiasaan Makan Ikan Semar (Mene maculata Bloch & Schneider, 1801) di Teluk Palabuhanratu

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      Date
      2023
      Author
      Farahdilla, Aliyyah
      Pratiwi, Niken Tunjung Murti
      Mashar, Ali
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      Abstract
      Ikan semar (M. maculata) merupakan jenis ikan yang memiliki nilai ekonomis dan ekologis di Teluk Palabuhanratu. Informasi biologi tentang ikan semar masih sangat sedikit terutama aspek makanan. Penelitian ini bertujuan untuk menganalisis makanan dan kebiasaan makan ikan semar (M. maculata) di Teluk Palabuhanratu. Penelitian dilakukan selama enam bulan dimulai dari bulan September 2021 hingga Februari 2022. Analisis yang digunakan dalam penelitian ini terdiri dari distribusi frekuensi panjang, hubungan panjang bobot, faktor kondisi, indeks bagian terbesar, luas relung makanan, tumpang tindih makanan, dan morfometrik terkait makanan. Hasil penelitian menunjukkan makanan ikan semar terdiri atas Crustacea, potongan ikan, Nematoda, Echinodermata, dan Chaetognatha, dengan makanan utama adalah Crustacea. Diameter mata berkisar 0,2-0,56 mm dan lebar bukaan mulut berkisar 0,25-1,03 mm. Nilai luas relung 0,30 dan tumpang tindih antar jenis kelamin 0,99. Ikan semar (M. maculata) merupakan ikan karnivor nokturnal dengan potensi persaingan makanan yang tinggi dilihat berdasarkan waktu pengambilan contoh, jenis kelamin, dan kelompok ukuran.
       
      Moonfish (M. maculata) is a type of fish that has economic and ecological value in Palabuhanratu Bay. Biological information about moonfish is still very little, especially regarding the food aspect. This study aims to analyze the food and feeding habits of the moonfish (M. maculata) in Palabuhanratu Bay. The research was conducted for six months starting from September 2021 to February 2022. The analysis used in this study consisted of length frequency distribution, length weight relationship, condition factor, largest portion index, food niche area, food overlap, and food-related morphometrics. The results showed that the diet of semar fish consisted of Crustaceans, fish pieces, nematodes, echinoderms and Chaetognatha, with the main food being Crustaceans. The eye diameter ranges from 0,2-0,56 mm and the mouth opening width ranges from 0,25-1,03 mm. The value of the niche area is 0,30 and the overlap between the sexes is 0,99. Semar fish (M. maculata) is a nocturnal carnivorous fish with a high potential for food competition based on sampling time, sex, and size group.
       
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      http://repository.ipb.ac.id/handle/123456789/124787
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      • UT - Aquatic Resources Management [2679]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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