Short communication:The relationships between gut length and prey preference of three pipefish (Syngnathus acus, Syngnathus typhle, Nerophis ophidion Linnaeus, ۱۷۵۸) species distributed in Aegean Sea, Turkey
Publish place: Iranian Journal of Fisheries Sciences، Vol: 18، Issue: 4
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JIFRO-18-4_040
تاریخ نمایه سازی: 27 بهمن 1400
Abstract:
In this research, gut lengths and numerical occurrence of gut contents (NO%) of Syngnathus acus, Syngnathus typhle and Nerophis ophidion were examined. The specimens were captured with beach seine net in different habitats (vegetated and sandy-vegetated etc.) at the coasts of Aegean Sea between ۲۰۰۶-and ۲۰۰۸. The zooplanktonic preys were mostly consumed by Syngnathus acus and Nerophis ophidion, whereas, Syngnathus typhle showed the most prey diversity. Thus, zooplanktonic organisms and other vegetative materials were consumed by three pipefish, however, vegetative tissues were mostly preferred by Syngnathus typhle. Feeding habits of three pipefish species are associated with gut lengths that show differences in increases or decreases depending on fish size and shape. In this study, S. typhle that has longer gut length than the other pipefish species explains the situation of being rich in organic gut content such as benthic zooplankton. Accordingly, probable presence or absent of the relationships between gut length and prey groups for three pipefish were discussed. The obtained results have supported low index values explaining the exact feeding habits of the pipefish.
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Authors
S Gurkan
Ege University Faculty of Fisheries Department of Hydrobiology, ۳۵۱۰۰ Bornova Izmir-Turkey
E Taskavak
Ege University Faculty of Fisheries Department of Hydrobiology, ۳۵۱۰۰ Bornova Izmir-Turkey
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