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All Journal Journal of Fish Health Jurnal Perikanan
Anma Hari Kusuma
Marine Science Study Program, University of Lampung
Agriculture, Biological Sciences & Forestry

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Screening Antibacterial Activity in Soft Coral Extract Sinularia sp. from Pahawang Island Waters, Lampung Anma Hari Kusuma; Muhammad Gilang Arindra Putra; Oktora Susanti; Rachmad Caesario; David Julian; Andre Vanbudi
Journal of Fish Health Vol. 6 No. 2 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v6i2.10090

Abstract

Sinularia sp. is one of the most widespread and abundant types of soft coral in Indonesian waters. The soft coral Sinularia sp. haves many bioactive compounds to use as a patogen antibacterial agent. The aim of this research was to compare the antibacterial activity from the soft coral Sinularia sp. against the pathogenic bacterial strain Escherichia coli. Samples of the soft coral Sinularia sp. were collected by SCUBA diving equipment at around Pahawang Island, Pesawaran Regency, Lampung, Indonesia, in July 2025. In this study, two species of soft corals, Sinularia polydactyla and Sinularia flexibilis, were found at the research site. The extract yields for soft coral species used methanol resulted in higher values compared to ethyl acetate and hexane. The antibacterial activity of the extract soft corals against the pathogenic bacteria E. coli used ethyl acetate solvent better than methanol and hexane. Soft coral extract for Sinularia sp. with ethyl acetate solvent can be used as antibacterial candidates against the pathogenic bacteria E. coli.
STRUCTURE OF CORAL COMMUNITY IN SIDODADI VILLAGE, TELUK PANDAN DISTRICT, PESAWARAN REGENCY Anma Hari Kusuma
Vol 15 No 3 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i3.1521

Abstract

Indonesian waters have abundant natural resources, one of which is coral reefs. The purpose of this study was to analyze the structure of the coral community in Sidodadi Village, Pesawaran Regency. The research was conducted in September 2023. The research location was in the waters of Sidodadi Village, Teluk Pandan District, Pesawaran Regency, Lampung Province. The research method used Underwater Photo Transect (UPT). Data analysis with CPCe software. The percentage of live coral cover in the observation area at station 1 was 44,65%, station 2 was 0,12%, station 3 was 78,03% and station 4 was 44,05%. The category of coral cover percentage was very good, moderate and poor. The physicochemical conditions of the waters were classified as good to support coral growth. The diversity index value at the research location was included in the low category, the uniformity index value was included in the low and high categories and the dominance index value was included in the low and high categories. The physicochemical parameters of the waters that most influenced the amount of coral cover were dissolved oxygen and brightness.
CORELATION OF SEA SURFACE TEMPERATURE AND CHLOROPHYL CONCENTRATIONS WITH PRESENCE OF DOLPHINS IN KILUAN BAY, LAMPUNG Anma Hari Kusuma; Eko Efendi; Henky Mayagues; Indra Gumay Yudha; Qadar Hasani
Vol 15 No 3 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i3.1522

Abstract

Kiluan Bay is one of the marine conservation areas in Tanggamus Regency, Province of Lampung through which dolphins migrate. This research aims to analyze the relationship between the distribution of sea surface temperature and chlorophyll with the appearance of dolphins in Kiluan Bay. This research uses an exploratory survey method. The research results show that the highest appearance of dolphins was in the Transition Season I, around 117 in the temperature range of 29,44-29,88°C with a chlorophyll concentration of 0,120-0,184 mg/m³ and the lowest in the West Season was around 31 in the temperature range of 28,56-29,34°C with a chlorophyll concentration of 0,096-0,134 mg/m³. The appearance of dolphins is more strongly related to sea surface temperature than to chlorophyll concentration because dolphins do not eat phytoplankton directly where there is a time lag where increasing the chlorophyll concentration value does not immediately have an impact on increasing the intensity value of dolphin emergence, but requires some predation time.
Co-Authors Andre Vanbudi David Julian Eko Efendi Henky Mayagues Indra Gumay Yudha Muhammad Gilang Arindra Putra Oktora Susanti Qadar Hasani Rachmad Caesario