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

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Journal : Journal of Fisheries

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Food Preference of Shortfin Scad (Decapterus macrosoma) at the Southern Waters of Gunungkidul Yogyakarta, Indonesia [Preferensi pakan ikan layang deles (Decapterus macrosoma) di Pantai Selatan Gunungkidul Yogyakarta] Friyuanita Lubis; Ratih Ida Adharini; Eko Setyobudi
Jurnal Ilmiah Perikanan dan Kelautan Vol. 11 No. 2 (2019): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v11i2.13927

Abstract

AbstractThe food habit is one of the important information used in the fisheries resource management. This study aimed to determine food preferences, index of preponderance, and trophic level of shortfin scad (D. macrosoma) captured from the southern waters of Gunungkidul Yogyakarta, Indonesia. A total of 325 fish samples were collected from March to September 2018. Each fish sample was measured in total length, body weight, determined its sex, and then dissected. The digestive tract was measured in total length then the gut contents were preserved in 5% formaldehyde to observe the type of food composition. The results showed that shortfin scad was carnivorous fish (relative gut length = 0.47) with the diet composing of fish (84.15%), phytoplankton (8.91%), zooplankton (4.47%), and snipping shrimp (3.19%). The molecular identification showed that the main fish species eaten by shortfin scad was Cololabis saira (Scomberesocoidae).AbstrakKebiasaan pakan ikan merupakan salah satu informasi penting yang digunakan dalam manajemen sumberdaya perikanan. Penelitian ini bertujuan untuk mengetahui preferensi pakan, indeks bagian terbesar dan tingkat trofik ikan layang deles (D. macrosoma) yang ditangkap dari Perairan Gunungkidul. Total 325 sampel ikan layang deles dikumpulkan selama bulan Maret sampai dengan September 2018. Setiap sampel ikan diukur panjang total, berat tubuh, ditentukan jenis kelaminnya kemudian dilakukan pembedahan. Saluran pencernaan diukur panjangnya, kemudian isi lambung ikan diawetkan dalam formalin 5% untuk diamati komposisi jenis makanannya. Analisis data meliputi panjang usus relatif, frekuensi kejadian, indeks bagian terbesar, dan tingkat trofik ikan layang deles. Hasil penelitian menunjukkan bahwa ikan layang deles bersifat karnivora (panjang usus relatif = 0,47) dengan komposisi jenis makanan utama adalah ikan (84,15%). Makanan pelengkap layang deles adalah fitoplankton (8,91%), sedangkan zooplankton (4,47%) dan potongan udang (3,19%) merupakan makanan tambahan. Berdasarkan identifikasi molekuler, spesies ikan yang menjadi makanan utama ikan layang deles adalah Cololabis saira (Scomberesocoidae).
Morphometric and Meristic Characterization of Hairtails Trichiurus lepturus Linnaeus, 1758 (Scombriformes: Trichiuridae) from the Northern Coast of Java, Indonesia Adhimas Febri Aryantojati; Murwatoko Murwantoko; Eko Setyobudi
Jurnal Ilmiah Perikanan dan Kelautan Vol. 14 No. 1 (2022): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v14i1.31443

Abstract

Highlight ResearchThe most significant morphological variation was the snout length and caudal peduncleT. lepturus from the coast of Pati and Cirebon have a high morphometric character resemblance and possibly are members of the same populationT. lepturus in Demak waters formed a separate population group from T. lepturus from the coast of Pati and Cirebon, however still in the same species AbstractHairtails (Trichiurus spp.) are economically important fisheries resources and have become an export commodity. In Indonesia, there are several hairtail species; however, each species distribution is not yet certainly known. This study aimed to identify and determine the morphometric and meristic character of the hairtail from the northern coast of Java, Indonesia. Fish specimens were obtained from fishermen catches in the north coast of Pati and Demak (Central Java) and the northern coast Cirebon (West Java), which captures the fish in less than one-week fishing operation. Fish samples were grouped based on morphological similarities identified in previously published works. After that, 22 morphometric and four meristic characters were measured and counted. Principal Component Analysis and Discriminant Analysis were used to analyze morphometric data, while the meristic data were compared to the available published works. The hairtail caught at the northern coast of Java was long, flat, silvery in color, and had a sagittal crest, with the fin formula being D.III.125-134, P.I.10, and A.I.98-104. According to the morphological and meristic characters, the hairtail caught at Java's northern coast was identified as Trichiurus lepturus. The most significant morphological variation was the snout length and caudal peduncle. The PCA and scattergram analyses showed that T. lepturus from the coast of Pati and Cirebon have a high morphometric character resemblance and possibly are members of the same population.  T. lepturus in Demak waters formed a separate population group from T. lepturus from the coast of Pati and Cirebon, however still in the same species.
Co-Authors A. A. Sentosa Adhimas Febri Aryantojati Anindya Wirasatriya Bayu Eko Pranoto Busyro, Ihda Khozainul Carissa Paresky Arisagy Djumanto Djumanto Dwi Rachmanto Faizal Rachman Friyuanita Lubis Hasrizal Bin Shaari Hidayat, Hanindya Fairuzia Ilma Fatimah Yusuf Kolokaring, Priscilla Yolanda Pramesti Larasati, Rakhma Fitria Maria Intan P. Devi Maria Intan Permata Devi Mike Gustiana Murwantoko . Murwantoko Murwantoko N. Nirwati Nahla Alfiatunnisa Namastra Probosunu Niken Astuti, Niken Nyutriawan Arkan Hafish Praditha Novianingrum Prima Putra, Masagus Muhammad Puspita, Indun Dewi Rachma Cintya Kusumanigrum Rahmat Kurniawan Ratih Ida Adharini Riza Yuliratno Setiawan Rudiansyah Rudiansyah Senny Helmiati Soeparno Soeparno Suadi Suadi Syarifah, Rizka Fauziana Vinta Seta Diani