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Abstract
Teripang jenis Pearsonothuria graeffei (Semper, 1868) dan Bohadschia argus Jaeger, 1833 merupakan jenis yang sering ditemukan di perairan Indonesia, akan tetapi belum pernah ada laporan secara taksonomi bahwa kedua jenis ini terdapat di perairan Sulawesi Tengah. Oleh karena itu, tujuan dari studi ini adalah mengidentifikasi Pearsonothuria graeffei (Semper, 1868) dan Bohadschia argus Jaeger, 1833 berdasarkan tipe dan komposisi spikula dan menambah laporan keberadaan kedua jenis teripang tersebut. Pengambilan sampel teripang menggunakan metode purposive sampling di sekitar lokasi penelitian dan dilakukan pada saat air menjelang surut. Spikula diekstraksi dari bagian dorsal, ventral, podian tentakel. Potongan Spikula sebesar 0,5 cm2 direndam menggunakan larutan “domestic bleaching” selama 5 – 10 menit kemudian spikula di cuci dengan aquades dan di letakan di cover glass dengan menambakan gliceryn, serta di amati di bawah mikroskop. Tipe spikula Pearsonothuria graeffei dan Bohadschia argus terdiri dari tipe mawar, batang, meja dan pelat berlubang.
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