Sulistiono ,
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Morphological and Histological Structures of Gonad of Coconut Crab (Birgus latro) Refiani, Suzana; ,, Sulistiono
Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Vol 16, No 1 (2009): Juni 2009
Publisher : Institut Pertanian Bogor

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Abstract

The study was aimed to investigate the secondary morphological and histological structures of gonad of coconut crab (Birgus latro). Morphologically, male and female gonads were described based on size, surface condition, colour and ocupied stage in abdomen. Histologically, male gonad was described based on appearance of spermatocyte, spematid and spermatophore using PAS-Hematoksilin method, while female gonad was described on oocyte development, nucleus condition, and deposit of oocyte using Hematoksilin-Eosin methods. Morphologically, testes are smooths, white-brownish, and occupied about 9-40% abdoment, while ovarium surface are smooth-granule, whitish, grey-dark, red, and occupied about 25-80% abdoment. Histologically, the testes showed spermatocyte, spermatid, and spermatozoa in spermatophore, while the ovarium showed oocyte at premature-mature conditions.Key words: Morphological and histological structures, gonad, coconut crab (Birgus latro).
KEBIASAAAN MAKANAN IKAN LIDAH (Cynoglossus lingua) DI PERAIRAN UJUNG PANGKAH, GRESIK, JAWA TIMUR ,, Sulistiono; Sari, Citra; Brodjo, Murniarti
Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Vol 17, No 1 (2011): Juni 2011
Publisher : Institut Pertanian Bogor

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Abstract

Salah satu sumberdaya perikanan yang terdapat di Ujung Pangkah adalah ikan lidah (Cynoglossus lingua). Penelitian ini bertujuan untuk menganalisis makanan ikan lidah yang tertangkap di daerah tersebut. Penelitian dilaksanakan di daerah perairan Ujung Pangkah, Gresik, Jawa Timur dengan pengambilan sampel ikan (94 ekor jantan dan 108 ekor betina) sejak Agustus 2005 sampai Januari 2006. Hasil penelitian menunjukkan bahwa ikan lidah memiliki makanan utama berupa udang dan makanan pelengkap berupa kepiting dan kerang baik pada ikan jantan maupun ikan betina. Berdasarkan nilai indeks kepenuhan lambung, ikan ini memiliki nilai yang cukup tinggi sekitar bulan September untuk jantan dan Agustus untuk ikan betina. Jenis dan persentase makanan yang dimakan ikan lidah bervariasi tergantung pada ukuran panjang baik pada ikan jantan maupun betina. Berdasarkan indeks similaritas, terdapat kesamaan jenis makanan baik ikan jantan maupun betina.Kata kunci: Gresik, ikan lidah (Cynoglossus lingua), kebiasaan makanan, Ujung Pangkah.
Morphological and Histological Structures of Gonad of Coconut Crab (Birgus latro) Refiani, Suzana; ,, Sulistiono
Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Vol 16, No 1 (2009): Juni 2009
Publisher : Institut Pertanian Bogor

Show Abstract | Original Source | Check in Google Scholar | Full PDF (1230.516 KB)

Abstract

The study was aimed to investigate the secondary morphological and histological structures of gonad of coconut crab (Birgus latro). Morphologically, male and female gonads were described based on size, surface condition, colour and ocupied stage in abdomen. Histologically, male gonad was described based on appearance of spermatocyte, spematid and spermatophore using PAS-Hematoksilin method, while female gonad was described on oocyte development, nucleus condition, and deposit of oocyte using Hematoksilin-Eosin methods. Morphologically, testes are smooths, white-brownish, and occupied about 9-40% abdoment, while ovarium surface are smooth-granule, whitish, grey-dark, red, and occupied about 25-80% abdoment. Histologically, the testes showed spermatocyte, spermatid, and spermatozoa in spermatophore, while the ovarium showed oocyte at premature-mature conditions.Key words: Morphological and histological structures, gonad, coconut crab (Birgus latro).