Feeding habits of Bigeye Houndshark, Iago omanensis (Elasmobranchii; Triakidae); a typical deep water shark from the Gulf of Oman
In this study, the feeding habits of Bigeye Houndshark, Iago omanensis, a typical deep water shark, were examined in the Gulf of Oman by analyzing of stomach contents. In addition, the effects of sex and seasons (spring and summer) on its feeding habits were evaluated. Bigeye Houndshark diet consist...
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| Format: | Article |
| Language: | English |
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University of Tehran
2019-12-01
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| Series: | International Journal of Aquatic Biology |
| Subjects: | |
| Online Access: | http://ij-aquaticbiology.com/index.php/ijab/article/view/668 |
| _version_ | 1818318213948112896 |
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| author | Ali Reza Rastgoo Eelia Etemadi-Deylami Mohammad Reza Mirzaei |
| author_facet | Ali Reza Rastgoo Eelia Etemadi-Deylami Mohammad Reza Mirzaei |
| author_sort | Ali Reza Rastgoo |
| collection | DOAJ |
| description | In this study, the feeding habits of Bigeye Houndshark, Iago omanensis, a typical deep water shark, were examined in the Gulf of Oman by analyzing of stomach contents. In addition, the effects of sex and seasons (spring and summer) on its feeding habits were evaluated. Bigeye Houndshark diet consists of mostly teleost fishes, and to a lower extent on crustaneans, molluscs and sea snakes. The great importance of teleost in the diet of Bigeye Houndshark may be due to the fact that teleosts are the dominant in terms of biomass and abundance in the area where Bigeye Houndshark exist, allowing them to exploit food resources available in the environment. No significant differences were found between sexes and seasons. This species occupy high trophic position within the food webs. These results present new data that will allow us to understand the role of Bigeye Houndshark in the deep water of Gulf of Oman to effect of fishing activity on its population dynamics in the future. |
| first_indexed | 2024-12-13T09:49:39Z |
| format | Article |
| id | doaj.art-4dd2059ebecb4b7ca94957b3c8d3849f |
| institution | Directory Open Access Journal |
| issn | 2383-0956 2322-5270 |
| language | English |
| last_indexed | 2024-12-13T09:49:39Z |
| publishDate | 2019-12-01 |
| publisher | University of Tehran |
| record_format | Article |
| series | International Journal of Aquatic Biology |
| spelling | doaj.art-4dd2059ebecb4b7ca94957b3c8d3849f2022-12-21T23:51:57ZengUniversity of TehranInternational Journal of Aquatic Biology2383-09562322-52702019-12-017637438210.22034/ijab.v7i6.668337Feeding habits of Bigeye Houndshark, Iago omanensis (Elasmobranchii; Triakidae); a typical deep water shark from the Gulf of OmanAli Reza Rastgoo0Eelia Etemadi-Deylami1Mohammad Reza Mirzaei2Persian Gulf and Oman Sea Ecological Center, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Bandar Abbas, Iran.Department of Marine Biology, School of Marine Science and Technology, Hormozgan University, Iran.Offshore Fisheries Research Center, Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Chabahar, Iran.In this study, the feeding habits of Bigeye Houndshark, Iago omanensis, a typical deep water shark, were examined in the Gulf of Oman by analyzing of stomach contents. In addition, the effects of sex and seasons (spring and summer) on its feeding habits were evaluated. Bigeye Houndshark diet consists of mostly teleost fishes, and to a lower extent on crustaneans, molluscs and sea snakes. The great importance of teleost in the diet of Bigeye Houndshark may be due to the fact that teleosts are the dominant in terms of biomass and abundance in the area where Bigeye Houndshark exist, allowing them to exploit food resources available in the environment. No significant differences were found between sexes and seasons. This species occupy high trophic position within the food webs. These results present new data that will allow us to understand the role of Bigeye Houndshark in the deep water of Gulf of Oman to effect of fishing activity on its population dynamics in the future.http://ij-aquaticbiology.com/index.php/ijab/article/view/668shark, foraging ecology, diet, ecological role. |
| spellingShingle | Ali Reza Rastgoo Eelia Etemadi-Deylami Mohammad Reza Mirzaei Feeding habits of Bigeye Houndshark, Iago omanensis (Elasmobranchii; Triakidae); a typical deep water shark from the Gulf of Oman International Journal of Aquatic Biology shark, foraging ecology, diet, ecological role. |
| title | Feeding habits of Bigeye Houndshark, Iago omanensis (Elasmobranchii; Triakidae); a typical deep water shark from the Gulf of Oman |
| title_full | Feeding habits of Bigeye Houndshark, Iago omanensis (Elasmobranchii; Triakidae); a typical deep water shark from the Gulf of Oman |
| title_fullStr | Feeding habits of Bigeye Houndshark, Iago omanensis (Elasmobranchii; Triakidae); a typical deep water shark from the Gulf of Oman |
| title_full_unstemmed | Feeding habits of Bigeye Houndshark, Iago omanensis (Elasmobranchii; Triakidae); a typical deep water shark from the Gulf of Oman |
| title_short | Feeding habits of Bigeye Houndshark, Iago omanensis (Elasmobranchii; Triakidae); a typical deep water shark from the Gulf of Oman |
| title_sort | feeding habits of bigeye houndshark iago omanensis elasmobranchii triakidae a typical deep water shark from the gulf of oman |
| topic | shark, foraging ecology, diet, ecological role. |
| url | http://ij-aquaticbiology.com/index.php/ijab/article/view/668 |
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