TY - JOUR AU - Jamlean, Yosef Gerard AU - Bataragoa, Nego E. AU - Tombokan, Jhon L. PY - 2018/01/30 Y2 - 2024/03/28 TI - Catch And Length-Weight Relationship Of Freshwater Lobster, Cherax Quadricarinatus Von Martens, 1868 In Tondano Lake, Kakas District, Minahasa, North Sulawesi JF - Jurnal Ilmiah PLATAX JA - JIP VL - 6 IS - 1 SE - Articles DO - 10.35800/jip.6.1.2018.18903 UR - https://ejournal.unsrat.ac.id/v3/index.php/platax/article/view/18903 SP - 85-97 AB - <p><em>C. quadricarinatus</em> (red claw) has important economic value either for consumption or as ornamental crustacean, has been  cultivated, and introduced to many waterways outside its natural habitat. In Tondano lake, <em>C. quadricarinatus</em> has developed and become fishing target  using traps and spearguns.  The purpose of this survey is to describe the freshwater lobster catching using traps, and to know the length-weight relationships, growth pattern and condition factor. The study was expected to use as information on the presence of <em>C. quadricarinatus</em> Tondano Lake. Catches were red claw, <em>C. quadricrinatus</em>, marble sleeper<strong> </strong><em>Oxyeleotris marmorata</em>,<strong> </strong>Mud gudgeon<strong> </strong><em>Ophieleotris aporos</em>,<strong> </strong>Mozambique tilapia<em> Oreochromis mossambicus</em><strong> </strong>and<strong> </strong>African sharptooth catfish<em> Clarias Gariepinus</em>. Length-weight relationship of <em>C. quadricarinatus</em> was W = -1.8005 + 4.2765 log L for males, W = -1.2978 + 3.6524 log L for females, respectively, and W = -1.5631 + 3.9848 log b for combined sexes. They had positive allometric (A +) growth. Condition factor ranged from 0.60-1.43 with an average of 1.071 ± 0.17 for males and 0.46-1.36 with an average of 1.027 ± 0.18 for females, 0.59-1.642 withan average of 1.22± 0.21.</p><p><em>Keywords: fishing, length-weight, growth pattern, fishing gear, Kakas district, Minahasa</em><em></em></p><p align="center"><strong>Abstrak</strong></p><p><em>C. quadricarinatus</em> (red claws) mempuyai nilai ekonomis penting baik komsumsi maupun sebagai krustasea hias dan  telah banyak di budidaya serta di introduksi ke banyak perairan  di luar habitat aslinya. Di Danau Tondano, <em>C. quadricarinatus</em> telah berkembang biak dan menjadi target penangkapan nelayan mengunakan alat tangkap bubu dan alat tangkap tura sejenis tombak sambil menyelam. Tujuan penelitinan ini ialah untuk mendeskripsikan penangkapan lobster air tawar <em>C. quadricarinatus</em> menggunakan alat tangkap bubu, hubungan panjang berat, pola pertumbuhan dan faktor kondisi. Hasil penilitian ini diharapkan dapat digunakan sebagai informasi keberadaan lobster air tawar <em>C. quadricarinatus</em> di Danau Tondano. Hasil tangkapan yang didapat adalah lobster air tawar, ikan Betutu, ikan Payangka, ika Mujair dan ikan Lele Dumbo. Hasil hubungan panjang berat lobster air tawar di dapat jantan : W=-1,8005+4,2765 log L, betina : W=-1,2978+3,6524 log L dan gabungan ( jantan &amp; betina) : W=-1,5631+3,9848 log L. Pola pertumbuhan ketiganya ialah allometrik positif (A+) dan faktor kondisi jantan berkisar 0,60-1,43 dengan rata-rata1,071±0,17, betina berkisar 0,46-1,36 dengan rata-rata 1,027±0,18, dan gabungan (jantan dan betina) berkisar 0,59-1,642 dengan rata-rata1,22±0,21.</p><em>Kata Kunci : Penangkapan, Hubungan panjang berat, Pola pertumbuhan, Kecamatan Kakas</em> ER -