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Ahmadi Riyanto
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INDONESIA
Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology)
Published by Masyarakat Iktiologi Indonesia
ISSN : 16930339     EISSN : 25798634     DOI : https://doi.org/10.32491
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Aims and Scope Aims: Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) aims to publish original research results on fishes (pisces) in fresh, brackish and sea waters including biology, physiology, and ecology, and their application in the fields of fishing, aquaculture, fisheries management, and conservation. Scope: This journal publishes high-quality articles dedicated to all aspects Aquaculture, Fish biodiversity, Fisheries management, Fish diseases, Fishery biotecnology, Moleculer genetics, Fish health management, Fish biodiversity.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol 6 No 1 (2006): Juni 2006" : 6 Documents clear
TINGKAT KEMATANGAN GONAD, FAKTOR KONDISI, DAN HUBUNGAN PANJANG-BERATIKAN TAJUK (Aphareus rutilans Cuvier, 1830) DI PERAIRAN LAUT DALAM PALABUHAN RATU, JAWA BARAT [The stage of gonad maturity, ponderal index, and Iength-weight relationship of Aphareus rutilans in Palabuhan ratu deep sea, West Java] Frensly Damianus Hukom; Dewi Ratih Purnama; M F Rahardjo
Jurnal Iktiologi Indonesia Vol 6 No 1 (2006): Juni 2006
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v6i1.230

Abstract

The research was conducted in order to investigate condition factor, length-weight relationship, and reproductive aspect of Aphareus rutilans in Palabuhanratu Sea, Sukabumi, West Java from June 2005 to February 2006. Sample fish was captured by hand line. A total of 151 individuals were taken. The fish samples ranged from 245-830 mm in length. Length-weight relationship showed that fish had negative allometric growth type. Condition factor of male and female varied from 0.88 - 1.13 and 0.89 - 1.19 consecutively. Chi-Square test showed that sex ratio was unbalance. The stage of gonad maturity was found I, II, and IV for males and I - II for females.
ANATOMIALAT PENCERNAAN IKAN BUNTAL PISANG (Tetraodon lunaris) [Anatomy of The Digestive Apparatus of The Puffer Fish Tetraodon lunaris] Yusfiati Yusfiati; Koeswinarning Sigit; Ridwan Affandi; Nurhidayat Nurhidayat
Jurnal Iktiologi Indonesia Vol 6 No 1 (2006): Juni 2006
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v6i1.231

Abstract

This research was aimed to study not only on gross morphologically but also on the histological structure of the Tetraodon lunaris digestive apparatus. The fish samples were obtained from a fisherman at the fish auction in Pelabuhan Ratu, from August 2005 until March 2006. The ratio between intestine and length/body length represented that this fish is carnivorous. The esophagus is short and the gastric forms a simple pouch with two of small diverticula. The intestine consists of a single loop. The esophagus and gastric mucous layer is covered with epithelial stratified cells. The intestine mucous layer has covered with a layer of columnar epithelial cells. The esophagus and gastric muscular layer consist of striated muscle. The sphincter pylorica and the intestine muscular layer consist of smooth muscle. The anus mucous layer consits of epithelial cuboid and it has the muscular layer of striated muscles. The liver has oval-shaped greenish vesica fellea with ductus choledochus emptied at the anterior part of intestine. The hepatocyt cells have a polygonal shape with lipid droplets in its. The exocrine glands of the pancreas tissue showed a set of acinar cells in the liver parencyhm, around portal vein, hepatic artery and biliary ductules.
CHECKLIST OF THE INSHORE FISHES OF THE EASTERN INDONESIAN WATERS [Daftar ikan pantai di perairan Indonesia bagian timur] T. Peristiwady
Jurnal Iktiologi Indonesia Vol 6 No 1 (2006): Juni 2006
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v6i1.232

Abstract

Data ikan dikumpulkan dari sejumlah penelitian lapangan dan pengumpulan dari pasar ikan dari berbagai tempat: Amfoang, Pulau Timor (Desember 2002); Biak, Papua (September 2000); Bitung, Sulawesi Utara (Juli, September dan Oktober 2000); Pulau Komodo (Juii 2001); Sungai Memberamo (Juni 1999); Riung, Pulau Flores (Juni 2001); Rote Timur, Pulau Rote (April 2003); Sorong, Papua (September 2000); Wini, Pulau Timor (Desember 2000) dan Kupang, Pulau Timor (1999-2003). Jumlah keseluruhan yang dikumpulkan ada 2007 spesimen yang tercakup dalam 88 famili, 260 genera, dan 632 spesies.
PERTUMBUHAN IKAN ARWANA IRIAN (Scleropages jardinii Saville-Kent) DI AKUARIUM [Growth of Bonytongue Fish {Scleropages jardinii Saville-Kent) in Aquarium] Agus H. Tjakrawidjaja
Jurnal Iktiologi Indonesia Vol 6 No 1 (2006): Juni 2006
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v6i1.234

Abstract

The aim of this research was to know growth in various life stages of Scleropagus jardinii Saville-Kent 1892 during domestication particularly the ranching system. Growth, food conversion, survival rate and water qualities were determined for each life stage. The result showed that each life stage is characterized by different growth. Highest food conversion was showed by adult followed by adolescent and juvenile have lowest amount of food conversion. Each life stage showed 100% for survival rate. Water quality in this experiment was adequate to support growth in fish.
IKTIOFAUNA DI DANAU SEMAYANG-MELINTANG KAWASAN MAHAKAM TENGAH, KALIMANTAN TIMUR [Ichthyofauna of Semayang-Melintang Lakes Central Mahakam Area, East Kalimantan] Haryono Haryono
Jurnal Iktiologi Indonesia Vol 6 No 1 (2006): Juni 2006
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v6i1.235

Abstract

Kota Bangun is production center of fisheries in East Kalimantan. This area has waters, i.e. Mahakam River, lakes of Semayang, Melintang and Jempang. Study of freshwater fishes in Semayang and Melintang lakes was done during September and October 1995 (dry season). The aims of study were to determine fish diversity, structure, composition, potency, abundance, distribution and habitat condition. The result recorded 15 species. Barbodes collingwoodi have dominant of abundance and distribution; and Cyprinidae was dominant family. Both the Semayang and Melintang lakes have high of similarity index and evenness index. The diversity index in Melintang was higher than Semayang.
FEKUNDITAS DAN POLA PERKEMBANGAN GONAD IKAN TAJUK EMAS, Pristipomoides multidens, Day 1871DIPERAIRAN PALABUHANRATU, JAWA BARAT [Fecundity and Gonad Maturity of Pristipomoides multidens, Day 1871 in Palabuhan Ratu Waters, West Java] F. Damianus Hukom; Ridwan Affandi; Saddon Silalahi; Iska Angelika
Jurnal Iktiologi Indonesia Vol 6 No 1 (2006): Juni 2006
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v6i1.300

Abstract

The observation was done in Palabuhanratu bay from June 2005 until February 2006, The observation aimed to describe fecundity and development of the gonad. Samples were caught using hand lines with 6-9 mesh size and “kincang” boat. Total sample were 108 with range of length are 210 - 812 mm and total weight between 62 - 6434 gram. Fecundity was between 205.547 - 3.028.159 and shown that P. multidens had a large reproductive potency. The development of gonad (testes and ovary) in morphology and histology could explained the first size sexual maturity, spawning season and spawning type.

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