Update Artikelilmiah: 54170

VIKA HENDRA KURNIAWAN

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Abstrak (Bhs. Indonesia)

Spiny lobster pasir (P. homarus Linnaeus, 1758) merupakan spesies lobster yang paling banyak tertangkap di perairan Indonesia, salah satunya di perairan Kabupaten Cilacap. Nilai ekonomi spiny lobster pasir yang tinggi menyebabkan penangkapan semakin intensif, sehingga penelitian aspek biologi spiny lobster pasir penting dilaksanakan. Penelitian ini bertujuan untuk menganalisis karakteristik morfometri, nisbah kelamin dan pola pertumbuhan spiny lobster pasir pada bulan Oktober-Desember 2025. Penelitian observasi ini mengamati karakteristik morfometri menggunakan software Image J, analisis nisbah kelamin dan hubungan panjang-berat dari sampel spiny lobster pasir yang tertangkap nelayan dan didaratkan di Dermaga 3 PPS Cilacap. Hasil penelitian karakteristik morfometri spiny lobster pasir yang meliputi panjang total (PT), panjang karapas (PK), panjang abdomen (PAb), panjang segmen abdomen (PSA), panjang ekor (PE), panjang antennula (PA) dan berat (W), berturut-turut untuk spiny lobster betina didapat antara 7,25-24,99 cm; 2,99-10,37 cm; 4,22-14,66 cm; 2,59-9,28 cm; 1,43-5,39 cm; 8,80-25,78 cm; 20-510,11 gram. Sedangkan untuk spiny lobster jantan diperoleh antara 8,20-21,57 cm; 3,30-9,93 cm; 4,82-11,68 cm; 3,10-7,79 cm; 1,48-4,26 cm; 8,75-27,39 cm; 21,74-380,45 gram. Nisbah kelamin spiny lobster pasir diperoleh kondisi seimbang antara spiny lobster pasir betina dan spiny lobster pasir jantan dengan rasio 0,93:1,08. Pola pertumbuhan spiny lobster pasir betina, spiny lobster pasir jantan dan keseluruhan spiny lobster pasir diperoleh pola pertumbuhan allometrik negatif (b<3). Keberlanjutan sumberdaya spiny lobster pasir diperairan penting untuk dijaga dengan melakukan kontrol dalam penangkapan secara berkala.
Kata kunci: Karakteristik morfometri, spiny lobster pasir, nisbah kelamin, perairan Cilacap, pola pertumbuhan

Abtrak (Bhs. Inggris)

Spiny sand lobster (P. homarus Linnaeus, 1758) is the most commonly caught lobster species in Indonesian waters, including the waters off Cilacap Regency. The high economic value of spiny lobsters has led to increasingly intensive fishing in these waters, making research into the biology of sand lobsters important. This study aims to analyze the morphometric characteristics, sex ratio, and growth patterns of spiny sand lobsters in October-December 2025. This observational study observed morphometric characteristics using Image J software, analyzed the sex ratio and length-weight relationship of spiny sand lobster samples caught by fishermen and landed at Pier 3 PPS Cilacap. The results showed that the morphometric characteristics of spiny sand lobsters, including total length (TL), carapace length (CL), abdomen length (AL), abdomen segment length (ASL), tail length (TL), antennula length (AL), and weight (W), were obtained for female lobsters between 7.25-24.99 cm; 2.99-10.37 cm; 4.22-14.66 cm; 2.59-9.28 cm; 1.43-5.39 cm; 8.80-25.78 cm; 20-510.11 grams. Meanwhile, for male lobsters, the measurements obtained were between 8.20-21.57 cm; 3.30-9.93 cm; 4.82-11.68 cm; 3.10-7.79 cm; 1.48-4.26 cm; 8.75-27.39 cm; 21.74-380.45 grams. The sex ratio of spiny sand lobsters was balanced between female and male spiny sand lobsters with a ratio of 0.93:1.08. The growth pattern of female spiny sand lobsters, male spiny sand lobsters, and spiny sand lobsters as a whole showed a negative allometric growth pattern (b<3). The sustainability of spiny sand lobster resources in these waters must be maintained through regular monitoring catch levels.
Keywords: Morphometric characteristics, spiny sand lobster, sex ratio, Cilacap waters, growth pattern

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