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All Journal JURNAL GALUNG TROPIKA Agrikan: Jurnal Agribisnis Perikanan
Warda Susaniati
Prodi Budidaya Perairan, Fakultas Ilmu-ilmu Pertanian Universitas Muhammadiyah Gorontalo
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Environmental Science

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Food Habits of Gray Reef Shark Carcharhinus amblyrhynchos (Bleeker, 1856) Megawangi, Hestariyani; Rapi, Nuraeni L.; Susaniati, Warda
Agrikan Jurnal Agribisnis Perikanan Vol. 16 No. 2 (2023): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v16i2.1911

Abstract

Sharks are fish that have a high selling value, so fishermen's interest in catching sharks is also high.The research was carried out from January to November 2021 in the Makassar Strait. Observations were made by dissecting to see the type of food contained in the stomach. The stomach was split open and its contents were removed and then separated according to the type of food, then the type of food was observed directly to identify it. The research results show is the length distribution of long sharks ranges from 49 cm – 251 cm. The relative length of the intestine of 0.7 cm is included in carnivore fish. The highest average value of index of proponderance (%) for sharks was in the tengkek selar food of 52.92%, while the lowest average value of index of proportion was found in the crustacean food of 2.12%. Tetengkek selar is the main food for long sharks, complementary foods are layur fish, squid, crustaceans and fishunidentifiedand additional foodare grouper, anchovies, selar kuning and baronang.The catch of long fish obtained a size structure that varies from small, medium and large. The eating habits of sharks include carnivore fish and eat pelagic and demersal fish.Tetengkek selar is the main food for long sharks, complementary foods are layur fish, squid, crustaceans and fishunidentified.Additional foodare grouper, anchovies, selar kuning and baronang.
Pemetaan Zona Potensi Penangkapan Ikan Tongkol (Euthynnus Affinis) di Perairan Selat Makassar Sulawesi Barat Fitri, Fitri Indah Yani; Susaniati, Warda; Sahabuddin; Mutmainnah, Nurul; Yunus, Yusdalifa Ekayanti; Kaltsum SC, Ummu; Rusdi, Rismawaty; Muh. Kasim
Jurnal Galung Tropika Vol 14 No 1 (2025)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v14i1.1324

Abstract

One of the areas directly adjacent to the Makassar Strait is the city of Mamuju, which is a potential area for tuna (Euthynnus affinis) fishing. This study aimed to analyze the spatial and temporal mapping of tuna ZPPI based on remote sensing GIS technology for fisheries in the Makassar Strait waters, West Sulawesi. The research method used in-situ data: fishing position, catch results, and oceanographic dynamics. Ex-situ data used monthly image data of sea surface temperature (SST), chlorophyll-a (aqua modis). The data was processed using multiple regression analysis between catch results and several oceanographic parameters. The results were then visualized as a map with a Geographic Information System (GIS) using ArcView 10.2 software to obtain potential tuna fishing areas in the Makassar Strait. The results showed a strong correlation between SST and chlorophyll-a with catch results, which was 83.5%. In addition, temporal time data for fishing was obtained in March, April, May, and June. The coordinates of the fishing area points for March are 118o50'12” and 2O 45'5”; in April, they are at 118O 23'15” and 2O30'4”; in May, they are at 118o 23'0” and 2 o30’4”; and in June they are at 118 o23’0” and 2 o28’0”. The Fishing Potential Zone (ZPPI) for tuna is at 118 o27’ and 2 o29’ 32” to 118 o16’ 48” and 2 o16’ 48”.
Co-Authors Fitri, Fitri Indah Yani Megawangi, Hestariyani Muh. Kasim Nuraeni L. Rapi Nurul Mutmainnah, Nurul Rusdi, Rismawaty Sahabuddin Ummu Kaltsum SC Yunus, Yusdalifa Ekayanti