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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
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Search results for , issue "Vol 5 No 2 (2005): Desember 2005" : 6 Documents clear
IDENTIFICATION KEY BASED ON MORPHOLOGICAL CHARACTERS OF THE SOUTHEAST ASIAN SPECIES OF THE GENUS CLARIAS (PISCES : CLARHDAE) [Kunci Identifikasi Ikan Clarias (Pisces : Clariidae) Asia Tenggara Berdasarkan Ciri Morfologi] Sudarto Sudarto; Laurent Pouyaud
Jurnal Iktiologi Indonesia Vol 5 No 2 (2005): Desember 2005
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v5i2.236

Abstract

Enam ratus empat puluh lima spesimen ikan Clarias terutama dikumpulkan dari Vietnam, Thailand dan Indonesia dipelajari ciri morfometriknya dengan cara pengukuran dan penghitungan mens:ik Terdapat 29 titik-titik pengukuran untuk setiap spesimen, 5 penghitungan meristik dan 5 pengamatan morfologi spesifik, Karakter-karakter tersebut (selain panjang standar) dipilih untuk diagnosanya. Data morfometrik diukur menggunakan kalifer dengan ketel itian sampai 0,5 mm. Data tersebut d i anal is is untuk membedakan antara spesies dan untuk menyusun kunci identifikasi.
PERTUMBUHAN IKAN TERBANG (Hirundichthys oxycephalus) DI FERAIRAN BINUANGEUN, BANTEN [Growth of Flying Fish (Hirundichthys oxycephalus) in Binuangeun Waters, BantenJ Tanti SR Harahap; A. Djamali
Jurnal Iktiologi Indonesia Vol 5 No 2 (2005): Desember 2005
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v5i2.237

Abstract

The research was conducted from June to September 2005 was aimed to describe the growth of flying fish (Hirundichthys oxycephalus). Fish sample that were taken from capture of local fishermen. Laboratory analysis included fish identification, measurement of total length and weight. Data analysis included length frequency, growth parameter, length weight relationship and condition factor. The number of sample fish was 242, which total length ranged 214.5 - 278.5 mm. The von Bertalanffy growth equation was Lt = 321.13(1-e -0.1514(L+0.5875)). Male and female grow'th model is negative allometric, and the equations were W = 0.0003 L 2.2877 and W = 0.002 L 1.9579 consecutively. Weight growth model of von Bertalanffy was: Wt = 167.57 (1 - e-0.1514 (1+0.5875)) 2.2042. The average of condition factor male ranged from 1.05 - 1.18 while female ranged from 0.97 - 1.10. The highest condition factor of male occurred at June (1.18) while female at August (1.10).
PERTUMBUHAN IKAN NILEM (Osteocliilus hasselti C.V) GINOGENESIS SAMPAI UMUR 30 HARI SERTA TINGKAT PERKEMBANGAN GONAD YANG TELAH DICAPAI [The Growth of Hard-Lipped Barlo (Osteocliilus hasselty C.V.) from Gynogenesis Until 30 Days and Gonad Development Stage Which Attained] Kartika Dewi; Soeminto Soeminto
Jurnal Iktiologi Indonesia Vol 5 No 2 (2005): Desember 2005
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v5i2.238

Abstract

Gynogenesis has been done in many kind of fishes that aims to produce only female homozygot population vastly. Gynogenesis can be used to improve genetic degree because the development of egg is solely controlled by the mother. If we use superior mothers, the characters can be inherited to their offspring. The purposes of this experiment were to know the rate of survival and length addition of gynogenesis nilem fish in laboratory until 30 days post hatching and to know the development stage of their gonad. This experiment produced two kind data. The first data were quantitative data such as survival rate and addition length rate of gynogenesis and control nilem fishes. Those data were analyzed with the t-test. The second data, qualitative data were collected by observing the texture and developmental stage of gonad. Then data were analyzed descriptively. The result showed that survival rate and addition length rate of gynogenesis and control nilem fishes of 30 days post hatching in the different density were different significantly with control fishes, but the rate of addition length of gynogenesis in nilem fishes were not different significantly with control. Whereas, microscopically gonad gynogenesis in nilem fish of 30 days post hatching was not different from control and undifferentiated. The appearance gonad was as sac that consisted of oval cells with a big size and with big nucleus too. Those big cells were suggested as primordial germ cells.
PENGARUH JENIS PAKAN DAN KONDISICAHAYA TERHADAP PENAMPILAN WARNAIKAN PELANGI MERAH Glossolepis incisus JANTAN [Effect of Feeding Type and Light Intensity to The Color Appearance of Male Red Rainbow Fish, Glossolepis incisus] Djamhuriyah S Said; W. D. Supyawati; nFN Noortiningsih
Jurnal Iktiologi Indonesia Vol 5 No 2 (2005): Desember 2005
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v5i2.239

Abstract

Glossolepis incisus is among the most beautiful members of the family Melanotaeniidae and the color of mature males is bright red, so it has the economical value as ornamental fish. The species is endemic at Lake Sentani - Irian. The problem found in rearing of the fish such as the decreasing of the color appearance and low growth rate. The research aimed to study the effect of feeding type and light intensity to the color appearance and growth rate of G. incisus (males). The research was conducted in September -December 2002 by utilizing three different feeds types, that were Chironomus, Tubificidae and pellet combination with light intensity (high: 300 lux and low 180 lux) in three replicates. Combination of pellet and light intensity (300 lux) is the best in color appearance, and Tubificidae treatment showed highest growth rate of the fish. Survival rate are 100%.
PENEBARAN IKAN UNTUK PELESTARIAN SUMBERDAYA PERIKANAN [Fish Restocking fo Sustaining Fisheries Resources] Lenny S. Syafei
Jurnal Iktiologi Indonesia Vol 5 No 2 (2005): Desember 2005
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v5i2.241

Abstract

Fisheries resources in inland waters have decreased. One tool to make fisheries resources to be sustained is reestocking. This paper discusses the goals of fish restocking and failure and the steps of restocking into the waters.
STRATEGI PEMANFAATAN SUMBERDAYA IKAN SID AT, Anguilla spp. DI INDONESIA [Strategy on Utilization of Eel (,Anguilla sp.) Resources in Indonesia] Ridwan Affandi
Jurnal Iktiologi Indonesia Vol 5 No 2 (2005): Desember 2005
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v5i2.242

Abstract

Indonesia has a high potency of eel resources but their utilization has been very limited. For increasing their utilization, we need strategic steps. First step, is an effort to recognize the location, where eel resources potency and then mapping their potency. Second step, is an effort to increase eel utilization for local consumption by intensive promotion, and third step is to increase eel culture activity.

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