BEBERAPAASPEKBIOLOGI CUMI-CUMI JAMAK(Loligo duvaucelli) YANGDIDARATKAN DI BLANAKAN, SUBANG, JAWABARAT

Umi Chodrijah, Tri Wahyu Budiarti

Abstract


Cumi-cumi (Loligo sp.) merupakan salah satu sumber daya hayati laut yang memiliki nilai ekonomis penting dan mengandung nilai gizi tinggi dengan cita rasa yang khas. Pengamatan terhadap beberapa aspek biologi cumi-cumi jamak (Loligo duvaucelli) telah dilakukan pada bulan Juni 2005 sampai Nopember 2006 di Pusat Pendaratan Ikan Blanakan, Kabupaten Subang, Jawa Barat. Penelitian ini bertujuan untuk mengetahui sebaran panjang mantel, nisbah kelamin, komposisi makanan, serta hubungan panjang mantel dan bobot cumi-cumi jamak. Pengukuran karakter biologi meliputi panjang mantel (ML), bobot tubuh (W), dan isi perut. Hasil penelitian ini menunjukkan
sebaran panjang mantel cumi-cumi yang tertangkap berkisar antara 3,0-36,0 cm dengan modus 15 cm dan panjang mantel rata-rata 13,3 cm. Nisbah kelamin cumi-cumi pada bulanApril dan Juni 2006 dalamkeadaan tidak seimbang. Pola pertumbuhan cumi-cumi baik jantanmaupun betina bersifat alometrik negatif. Cumi-cumi merupakan karnivora yang makanan utamanya adalah ikan-ikan kecil.

 

The squid is one of living marine resources that have important economic value and conyain high nutrional value with a distinctive taste. Observation on the biological aspect of squid jamak) was performed in June 2005 to November 2006 in Blanakan, Subang,West Java. This study aims to determine the distribution of mantle length, sex ratio, food composition, and the relationship mantle and weight of squid. Measurement of biological characters include mantle length (ML), body weight (W), and stomach contents. The results showed that the distribution of squid mantle length capture at Blanakan, ranges from 3.0-36.0 cm with a mode at 15 cm and an average mantle
length of 13.3 cm. The squid sex ratio in April and June 2006 in a state of imbalance. The growth rate of the squid both males and females are allometric negative. The squid is a carnivorous diet is primarily small fish.


Keywords


loligo duvaucelli; aspek biologi; Blanakan; Laut Jawa

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DOI: http://dx.doi.org/10.15578/bawal.3.6.2011.357-362


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