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All Journal Jurnal Biologi Udayana ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Ilmiah Perikanan dan Kelautan Omni-Akuatika Jurnal Perikanan Universitas Gadjah Mada Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) PELAGICUS: Jurnal IPTEK Terapan Perikanan dan Kelautan
Eko Setyobudi
Department Of Fisheries, Faculty Of Agriculture, Universitas Gadjah Mada. Indonesia.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Immunology & microbiology

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Journal : Jurnal Perikanan Universitas Gadjah Mada

 1 
Infeksi Anisakis sp. pada Layur (Trichiurus sp. ) di Pantai Selatan Kabupaten Purworejo Eko Setyobudi; Senny Helmiati; Soeparno Soeparno
Jurnal Perikanan Universitas Gadjah Mada Vol 9, No 1 (2007)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.73

Abstract

The aims of this research were to know the prevalency, intensity and distribution of Anisakis sp. which infected hairtail (Trichiurus sp.) in the southern coast of Purworejo Regency. Samples were collected from fish landing-places in Jatimalang and Keburuhan, Purworejo Regency. Totally 276 fish were collected as samples during 4 months (September-December 2005). Every sampel was measured in total length and body weight. The examination of Anisakis sp. were conducted on body surface, body cavity, gut, liver, gonad, and muscle. Results of the research indicated that the Anisakis sp. infected various size of hairtail, with prevalency 62,68% and mean intensity of infection 3,30 individual/fish. Infected organs were body cavities (peritoneum), guts, gonads, livers, muscles, gills and pneumatocysts.
REPRODUCTIVE BIOLOGY OF THE YELLOW RASBORA (Rasbora lateristriata) INHABITAT OF THE NGRANCAH RIVER, KULON PROGO REGENCY Djumanto Djumanto; Eko Setyobudi; A. A. Sentosa; N. Nirwati
Jurnal Perikanan Universitas Gadjah Mada Vol 10, No 2 (2008)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.8904

Abstract

The purpose of this research was to identify the reproductive biology in the yellow rasbora (Rasbora lateristriata) in habitat of the Ngrancah River. To identify spawning events and embryo development, direct observation was employed during the spawning season in their natural environment, and then fertilized egg was incubated insitu. Spawning seasons underwent correspond to the end of rainy season and early dry season which characterized by clean freshly water and low temperature. The result showed that during spawning season, the broodfish migrated from Sermo Reservoir upward to the main river to find out the spawning site. In the early morning between 03.00 and 05.00 AM, the broodstock moved to the spawning site, then making aggregation and both female and male released their gametes in the shallower place. The aggregations were consisting around of 1 female and 3 males. The fertilized eggs would cleavage, and then embryo developed and yolk sac larval hatched within 23 hours at 27oC. The knowledge about spawning events of yellow rasbora may be used for improved management tools in the future.
Reproduction of Indian Mackerel Rastreliger kanagurta (Cuvier, 1816) in Morodemak Coast Demak Regency Dwi Rachmanto; Djumanto Djumanto; Eko Setyobudi
Jurnal Perikanan Universitas Gadjah Mada Vol 22, No 2 (2020)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.48440

Abstract

Indian mackerel is a group of small pelagic fish that has high economic value and is ecologically important. The catch of Indian mackerel in the Morodemak Coastal Fishing Port of Central Java has decreased within 2016-2018, which is suspected by overexploitation. This study aims to observe the reproduction of Indian mackerel. Fish samples were collected from the catches of the mini purse seine operated by fishermen in April-June 2019. The fish samples were measured their length and weight individually, then the abdomen dissected to collect gonad, and counted in sub-sample of the egg number. Data were analyzed to determine the length-weight relationship of fish, sex ratio, gonad maturity level (GML), gonad maturity index (GMI), the size of the first gonad matured, and the egg number in each gonad brood fish. The results showed a negative allometric length relationship, and the length-weight relation equation in female fish was W = 0.038 L 2.59 and in male was W = 0.178 L 2.03. The value of fish condition factors in males, and females obtained values ranging from 1-2. The proportion of fish in GML III ranges from 27.2 to 82.5%, while GML IV ranges from 3.6 to 33.8%. Fish GMI ranged from 0.17 to 4.75%. The eggs number ranged from 11.235 to 40.878 grain. The female Indian mackerel get the first gonad matured at the size of 15.2 cm.
Karakter Morfometrik dan Meristik Ikan Layang (Decapterus macrosoma Bleeker, 1851) di Pantai Selatan Daerah Istimewa Yogyakarta, Indonesia Rachma Cintya Kusumanigrum; Nahla Alfiatunnisa; Murwantoko Murwantoko; Eko Setyobudi
Jurnal Perikanan Universitas Gadjah Mada Vol 23, No 1 (2021)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.52348

Abstract

Suatu spesies harus memiliki satu taksonomi yang jelas dan disepakati secara global untuk mempermudah para peneliti dalam membahas suatu spesies. Penelitian ini bertujuan untuk mengidentifikasi spesies ikan layang (Decapterus spp.) yang tertangkap di Perairan Daerah Istimewa Yogyakarta secara morfologi, morfometrik, dan meristik. Ikan layang diperoleh dari tangkapan nelayan Sadeng pada bulan Maret-Juni 2019. Sampel yang diambil berjumlah 207 ekor. Identifikasi secara morfologi dilakukan dengan pengukuran 23 karakter truss morfometrik dan 6 karakter meristik. Analisis data morfometrik menggunakan Principal Component Analysis sedangkan data meristik dibandingkan dengan pustaka. Jenis ikan layang yang ditemukan di Perairan Daerah Istimewa Yogyakarta berdasarkan identifikasi morfologi adalah Decapterus macrosoma. Karakter meristik di dapatkan rumus D1 VIII; D2 . I, 31-39; A. II, I, 25-32; P. 22-23; V. 23-30; L1 scute 23-40. Spesies layang yang ditemukan di Perairan Daerah Istimewa Yogyakarta dapat dibedakan secara morfometrik yaitu berdasarkan jarak akhir tulang kepala dengan bawah tutup insang, jarak akhir tulang kepala dengan sirip ventral, jarak sirip dorsal pertama dengan sirip ventral, jarak sirip dorsal pertama dengan sirip anal bagian depan, jarak sirip ventral dengan sirip dorsal kedua bagian depan dan jarak sirip anal bagian belakang dengan anal finlet bagian atas.
Co-Authors A. A. Sentosa Adhimas Febri Aryantojati Anindya Wirasatriya Bayu Eko Pranoto Carissa Paresky Arisagy Djumanto Djumanto Dwi Rachmanto Faizal Rachman Friyuanita Lubis Hasrizal Bin Shaari Ilma Fatimah Yusuf Larasati, Rakhma Fitria Maria Intan P. Devi Maria Intan Permata Devi Mike Gustiana Murwantoko . Murwantoko Murwantoko N. Nirwati Nahla Alfiatunnisa Namastra Probosunu Nyutriawan Arkan Hafish Praditha Novianingrum Rachma Cintya Kusumanigrum Rahmat Kurniawan Ratih Ida Adharini Riza Yuliratno Setiawan Rudiansyah Rudiansyah Senny Helmiati Soeparno Soeparno Suadi Suadi Vinta Seta Diani