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JFST 2018, 7(1): 65-69 |
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Yahyavi M, Parishani Heydarpoor L, Kamali E. Diet Composition of Scomberoides commersonnianus in the Coastal Waters of Hormozgan Province, Iran. JFST 2018; 7 (1) :65-69
URL: http://jfst.modares.ac.ir/article-6-15246-en.html
URL: http://jfst.modares.ac.ir/article-6-15246-en.html
1- Department of Fisheries, Natural Resources Faculty, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran , maziar_yahyavi@yahoo.com
2- Department of Fisheries, Natural Resources Faculty, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
3- Ecology Institute of Persian Gulf and Oman Sea, Bandar Abbas, Iran
2- Department of Fisheries, Natural Resources Faculty, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
3- Ecology Institute of Persian Gulf and Oman Sea, Bandar Abbas, Iran
Abstract: (9394 Views)
Aims: The Scomberoides commersonnianus (Talang Queenfish) is in the Persian Gulf waters and constitutes a part of catches in Arab states of the Persian Gulf. Fish food habits are important in understanding food chains. The aim of this study was to evaluate the diet composition of Talang Queenfish in the coastal water of Hormozgan province.
Materials & Methods: In this experimental study, 422 Talang Queenfish were collected from coastal waters of Bandar Abbas. Total length and fork length were calculated. The weight was measured by a digital scale and recorded on a special sampling sheet. Tables and charts were drawn, using Excel 2007 software, and the data were analyzed, using SPSS 20 software by T Paoli tests and Pearson correlation coefficient.
Findings: The minimum and maximum fork length was 18 cm and 86 cm, respectively, and the mean fork length was 54.282cm. With increasing the fork length, fish weight increased with exponential model (r=0.0151; p<0.05). The length and weight of fish showed a high correlation (r=0.98; p<0.05). The highest gastrosomatic index was in November and the lowest was in June. The vacuity index was 62.32. The food preferences were fish, Crustacean, and Molluscs. The main food of Scomberoides commersonnianus was Anchovies, and the subsidiary food included Hairtail Fish, Goldstripe sardinella, Ponyfish, Silver sillago, Catfish, Threadfin Bream, Goatfish and other Clupeidae fishes.
Conclusion: According to the vacuity index, this fish does not eat a lot. The food preferences are fish, Crustacean, and Molluscs and Anchovies is the main food. The subsidiary food included Hairtail Fish, Goldstripe sardinella, Ponyfish, Silver sillago, Catfish, Threadfin Bream, Goatfish and other Clupeidae fishes.
Materials & Methods: In this experimental study, 422 Talang Queenfish were collected from coastal waters of Bandar Abbas. Total length and fork length were calculated. The weight was measured by a digital scale and recorded on a special sampling sheet. Tables and charts were drawn, using Excel 2007 software, and the data were analyzed, using SPSS 20 software by T Paoli tests and Pearson correlation coefficient.
Findings: The minimum and maximum fork length was 18 cm and 86 cm, respectively, and the mean fork length was 54.282cm. With increasing the fork length, fish weight increased with exponential model (r=0.0151; p<0.05). The length and weight of fish showed a high correlation (r=0.98; p<0.05). The highest gastrosomatic index was in November and the lowest was in June. The vacuity index was 62.32. The food preferences were fish, Crustacean, and Molluscs. The main food of Scomberoides commersonnianus was Anchovies, and the subsidiary food included Hairtail Fish, Goldstripe sardinella, Ponyfish, Silver sillago, Catfish, Threadfin Bream, Goatfish and other Clupeidae fishes.
Conclusion: According to the vacuity index, this fish does not eat a lot. The food preferences are fish, Crustacean, and Molluscs and Anchovies is the main food. The subsidiary food included Hairtail Fish, Goldstripe sardinella, Ponyfish, Silver sillago, Catfish, Threadfin Bream, Goatfish and other Clupeidae fishes.
Keywords: Talang Queenfish, Scomberoides commersonnianus, Food Preferences, Nutritional Indices, Persian Gulf
Article Type: Research Article |
Subject:
fish and shellfish physiology
Received: 2016/11/15 | Published: 2018/03/20
Received: 2016/11/15 | Published: 2018/03/20
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