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All Journal Berkala Perikanan Terubuk Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Shodikin Aznardi
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Earth & Planetary Sciences Environmental Science

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IDENTIFICATION OF GROUPER (EPINEPHELUS SP) AT MUARA ANGKE TRADITIONAL FISH MARKET IN NORTH JAKARTA USING MORPHOLOGY AND DNA BARCODING METHODS Shodikin Aznardi; Hawis Madduppa
Berkala Perikanan Terubuk Vol 48, No 1 (2020): Februari 2020
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (253 KB) | DOI: 10.31258/terubuk.48.1.298-303

Abstract

Grouper fish is the most exploited commodity for coral fisheries. The controversy that occurred between researchers regarding the identification of fish species is a problem that is quite alarming. Identification using morphometric measurements, shape and color or morphology is considered still not accurate in determining the fish species. The DNA barcoding method uses COI markers by tracing the nucleotide bases to determine which species of biota have advantages in species identification. This study aims to identify grouper fish species in the traditional Muara angke fish market by using morphological methods and DNA barcoding. The identification results obtained from the morphological methods (shape, color and morphometrics) that the sample species are white-tailed grouper fish (Epinephelus areolatus) by looking at morphological characteristics, namely the white lines on the caudal fins and brown spots on the body. Identification using the DNA Barcoding method using the COI markers showed that the fish samples were 95% similar to E. areolatus.
Power Inhibition of ExtractsAzolla microphyllaagainst the Growth of Pathogenic Bacteria (Vibrio alginolyticus, Escherichia coli and Aeromonas hidrophylla Shodikin Aznardi; Dessy Yoswaty; Irwan Efendi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

ABSTRACT The research was conducted in February - April 2017 at the Laboratory of Marine Chemistry and Marine Microbiology Laboratory, Riau University and Integrated Chemical Laboratory, Muhammadiyah University of Riau. The purpose of this study was to determine the inhibitory power of Azolla microphylla extracts cultured in 5ppt saline water to the growth of pathogenic bacteria (V. alginolyticus, E. coli and A. hidrophylla). Inhibitory test using 4 concentrations used are 100%, 50%, 25% and 12.5%. The results showed that the antimicrobial content of A. microphylla extract could inhibit the growth of pathogenic bacteria (V. alginolyticus, E. coli and A. hydrophylla) with weak ability with inhibitory zone diameter between 0.15 - 2.15 mm. Keyword: ExtractA. microphylla, Power Inhibition, Pathogenic Bacteria 
Co-Authors Dessy Yoswaty Hawis H Madduppa Irwan Efendi