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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 8 No 1 (2008): Juni 2008" : 6 Documents clear
ASPEK PEMIJAHAN IKAN MOTAN, Thynnichthys thynnoides, BL1EKER1852 (FAMILICYPRINIDAE) DI RAWA BANJIRAN SUNGAI KAMPAR KIRI, RIAU [Spawning aspects of Thynnichthys thynnoides Bleeker 1852 (Family Cyprinidae) in the floodplain of Kampar Kiri River, Riau] Prawira Atmaja R.P. Tampubolon; M. F. Rahardjo; Djadja S. Sjafei; Charles PH Simanjuntak
Jurnal Iktiologi Indonesia Vol 8 No 1 (2008): Juni 2008
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v8i1.280

Abstract

Study on the spawning aspects of Thynnichthys thynnoides in the floodplain of Kampar Kiri River was conducted from June 2006 to December 2006, using experimental gillnet and trap. Total samples were 852 individuals, comprised 479 individuals from Mentulik (294 males and 185 females) and 373 individuals from Simalinyang (197 males and 176 females). The range of total length was between 94-198 mm for fishes caught from Mentulik and 104-227 mm from Simalinyang. Sex ratio was counted for fishes in QSIIV. Sex ratio is balanced for fish in Mentulik and unbalanced for fish in Simalinyang. The first size of maturity for male in Mentulik and in Simalinyang were 105 and 118 mm; while for female ones were 109 and 108 mm. Presumably, the spawning season is on September-December with the peak spawning in October. Fecundity ranged 781-27135 eggs for fish from Mentulik and 797-35804 eggs from Simalinyang. The Fish is indieaied to be a total spawner.
PENAMPILAN IKAN RAINBOW SULAWESI (Marosatherim ladigesi) PADA KISARAN KESADAHAN YANG BERBEDA [Sulawesi rainbowflsh {Marosatherim ladigesi) appearance in different range of hardness] Triyanto Triyanto
Jurnal Iktiologi Indonesia Vol 8 No 1 (2008): Juni 2008
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v8i1.281

Abstract

This research aimed to study the effect of hardness on the appearance and the growth of rainbowflsh of Sulawesi (Marosatherim ladigesi). The parameters measured were body length, survival rate, and body color. The experiment was conducted using aquariums(80 x 40 x 40 cm3) filled with water each contained hardness concentrations ranged from 50 - 100; 100 - 150; to 150 - 250 mgCaCO3/L) and added with 25 fish sized of 1,5 - 2 cm. The fish was reared and fed with Chironorma. The research has been conducted on Laboratory of Research Center for Limnology-LIFI in March-June 2007, The result showed that the best growth measured as the body length was 0,019 cm/day obtained from the fish grew on water contained hardness concentrations ranged from 100 to 150 mg CaCO3/L and the best survival rate was 100% obtained from the fish grew on water contained hardness concentrations ranged from 150 to 250 mg CaCO3/L. However, the results of both treatments did not show significant difference statistically (ANOVA; p>0.05). The difference of appearance was shown on fish grew on water contained hardness concentrations ranged from 150 to 250 mg CaCO3/L where the fish body were relatively clean and bright.
REPRODUKSI IKAN NILA (Oreochromis nilotkm) SELEKSI DAN NON SELEKSI DENGAN PEMIJAHAN BUATAN: KARAKTERINDUK, TELUR, EMBRIODAN BENIH [Reproduction of selected and non selected nile tilapia (Oreochromis niloticm) with artificial induced breeding: character of broodstoek, egg, embryo, and larvae] Yohanna R. Widyastuti; Jojo Subagja; Rudhy Gustiano
Jurnal Iktiologi Indonesia Vol 8 No 1 (2008): Juni 2008
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v8i1.282

Abstract

Selection program is one alternative to control and improve growth performance. It is well known that decreasing growth rate has a correlation to the early maturation of the brood stocks. Objective of the present study was to elaborate the information of bioreproduction parameters of selected tilapia brood stocks coming from selective breeding on the growth improvement. Three groups of brood stock were used in this study defining as the first generation of selected brood stock (01) and the second generation (02) and farmer’s tilapia (M). Each group of brood stock has 5 pair brood stocks as replications. Hormone injection was given for artificial spawning. Eggs were then incubated in the jars equipped with recirculation system. Larvae were transferred to aquaria for growth observation. Results showed that artificial spawning could be done on tilapia using hCG injection as priming prior to ovaprim. Although there were no significantly different (P > 0.05) in egg diameters, the eggs of selected brood stock were still slightly bigger than non selected brood stock. Larvae of the second generation of selected brood stock has better growth rate than the first generation and non-selected one.
PERTAMBAHAN BIOMASSA IKAN NILA (Oreochromis niloticus) SELEKSI BAN NON SELEKSI DALAM KERAMBA JARING APUNG DI WADUK CIRATA DAN DANAU LIDO [Growth of selected and non selected Oreochromis niloticus in floating net cages in Grata Reservoir and Lido Lake] Kusdiarti Kusdiarti; Ani Widiyati; Winarlin Winarlin; Rudhy Gustiano
Jurnal Iktiologi Indonesia Vol 8 No 1 (2008): Juni 2008
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v8i1.283

Abstract

The objective of this study was to evaluate the result of selection program by comparing the growth of selected and non-selected fish. The study was carried out in floating net cages in Cirata Reservoir and Lido Lake, Each group of the examined fish used four cages 2x2x2m3 sized with densities of 300 fish in Cirata Reservoir and 225 fish in Lido Lake. Fish was fed 5% body weight a day with commercial pellet. Growth was observed by measuring the total biomass of every cage per three weeks. Results showed that selected fish has slightly bigger (26.0 ± 1.63) than non-selected one (23.0 ± 2.45) in Cirata Reservoir. For survival rate, selected fish has better performance (92 4 ± 0.01) than the non selected one (84,4 ± 0.05) in floating net cages in the Lido Lake (P < 0.01).
KEBIASAAN MAKANAN IKAN MOTAN (Thynnichthys polylepis) DI WADUK KOTO PANJANG RIAU [Food habits of Thynnichthys polylepis in Koto Panjang Reservoir, Riau] Adriani SN Krismono; Anisa Rahma Lathifa; Sutrisno Sukimin
Jurnal Iktiologi Indonesia Vol 8 No 1 (2008): Juni 2008
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v8i1.284

Abstract

This research aim to describe the food habits of Thynnichthys polylepis. Research location is situated in Koto Panjang Reservoir. The research was conducted in March, June, and December 2007. Fishes were captured using experimental gillnet with mesh sizes of 1.5; 2,0; 2.5; and 3.0 inch. The results showed that the composition of food was comprises of six classes, such as Chlorophyceae, Cyanophyceae, Desmidium, Dinophyceae, Protozoa, and Rotifera, with genus of Peridinium (Dinophyceae) as main food. Male and female fishes consumed relative similar food on pursuant to time, area, and length. The niche overlap of food between male and female fishes was high.
PERKEMBANGAN GONAD IKAN SIDAT (Anguilla marmorata) DI DANAU POSO [Gonads development of eels (Anguilla marmorata) in Lake Poso] Gadis Sri Haryani; Lukman Lukman; Triyanto Triyanto
Jurnal Iktiologi Indonesia Vol 8 No 1 (2008): Juni 2008
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v8i1.285

Abstract

The gonads condition of eels (Anguilla marmorata) in Lake Poso was studied. The aim of this research is to identify gonads development of eel in Lake Poso and estuary of Poso River. Based on histological analyses of the gonad, eels collected in the Lake Poso and in the estuary were in the early vitellogenic stage, and the GSI (Gonadosomatic index) value ranged between 0.60 -4.40%. Development stage of female gonads showed four stages: chromatin nucleolar, perinucleolar, cortical alveoli and vitellogenic. The male gonads showed only pre-spermatogenic stage which contains only spermatogonia. Next stages should be reached during down stream migration to the deep sea.

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