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Feeding ecology of hairtail Trichiurus margarites and largehead hairtail Trichiurus lepturus in the Beibu Gulf, the South China Sea |
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| Authors: | Yunrong Yan Gang Hou Junlan Chen Huosheng Lu Xianshi Jin |
| Affiliation: | YAN Yunrong 1,2,4,HOU Gang 2,CHEN Junlan 2,LU Huosheng 2,JIN Xianshi 3 1 Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China 2 College of Fisheries and Center of South China Sea Fisheries Resources Monitoring and Assessment,Guangdong Ocean University,Zhanjiang 524088,China 3 Yellow Sea Fisheries Research Institute,Chinese Academy of Fisheries Sciences,China 4 Graduate University of Chinese Academy of Sciences,Beijing 100049,China |
| Abstract: | We evaluated the feeding ecology of largehead hairtail (Trichiurus lepturus) and hairtail (T. margarites). We collected specimens from fishing ports in the Beibu Gulf (Gulf of Tonkin) from October 2008 to September 2009 and analyzed their gut contents. We collected 857 T. lepturus and 666 T. margarites samples. The number of stomachs examined in this study was sufficient to describe the monthly and ontogenetic diet shifts for the two species, as indicated by the trophic diversity curves. T. lepturus was a g... |
| Keywords: | feeding ecology Trichiurus margarites Trichiurus lepturus ontogenetic diet shift the Beibu Gulf South China Sea |
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