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Morphological classification of ichthyoplankton in the Changjiang River Estuary based on DNA barcoding
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Shouhai Liu1, 2, Yiyi Yang1, 2, Yanlong He1, 2, Xiao Ji1, 2, Yutan Wang1, 2, Haijing Zhang3, Ruyi Mao1, 2, Xiaoshan Jiang1, 2, Xiangsheng Cheng1, 2, *
Haiyang Xuebao | 2021, 43(8) : 93 - 104
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Haiyang Xuebao | 2021, 43(8): 93-104
• Article •
Morphological classification of ichthyoplankton in the Changjiang River Estuary based on DNA barcoding
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Shouhai Liu1, 2, Yiyi Yang1, 2, Yanlong He1, 2, Xiao Ji1, 2, Yutan Wang1, 2, Haijing Zhang3, Ruyi Mao1, 2, Xiaoshan Jiang1, 2, Xiangsheng Cheng1, 2, *
Affiliations
  • 1East China Sea Environment Monitoring Center, State Oceanic Administration, Shanghai 201206, China
  • 2Key Laboratory of Marine Ecological Monitoring and Restoration Technology, Ministry of Natural Resources, Shanghai 201206, China
  • 3East Sea Marine Environmental Investigating and Surveying Center, State Oceanic Administration, Shanghai 200137, China
Published: 2021-08-25 doi: 10.12284/hyxb2021062
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DNA barcoding technology is a tool for rapid and accurate species identification using short orthologous DNA sequence. In this study, both traditional morphology and DNA barcoding technology was used to accurately identify ichthyoplankton species in the Changjiang River Estuary and its adjacent waters. Morphological description was carried out at the same time. The results showed that in spring and summer of 2016 and summer of 2017, 55 species of ichthyoplankton were obtained, belonging to 9 orders and 19 families. Among them, there were 35 species of Perciformes at most. The seasonal variation of ichthyoplankton in fish group was not obvious, while there was significant seasonal variation in species. Only Coilia mystus, Engraulis japonius and Larimichthys polyactis appeared both in spring and summer. It was the first time to describe the morphological characteristics of Harpadon nehereus larva and juvenile. In addition, the quantifiable characters, fin development and melanin distribution of larvae and juvenile of Harpadon nehereus, Chelon affinis, Eleutheronema tetradactylum, Sillago japonica and Paraplagusia japonica, were described and drew. The research could provide a scientific basis for the study of fish nursery in estuaries, and also provide a new way for the accumulation of taxonomic data in the early stage of fish development.

Changjiang River Estuary  /  fish eggs and larvae  /  morphology  /  DNA barcoding
Shouhai Liu, Yiyi Yang, Yanlong He, Xiao Ji, Yutan Wang, Haijing Zhang, Ruyi Mao, Xiaoshan Jiang, Xiangsheng Cheng. Morphological classification of ichthyoplankton in the Changjiang River Estuary based on DNA barcoding[J]. Haiyang Xuebao, 2021 , 43 (8) : 93 -104 . DOI: 10.12284/hyxb2021062
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Article Info
doi: 10.12284/hyxb2021062
  • Receive Date：2020-08-21
  • Online Date：2026-02-26
  • Published：2021-08-25
Article Data
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History
  • Received：2020-08-21
  • Revised：2020-12-25
Funding
Affiliations
    1East China Sea Environment Monitoring Center, State Oceanic Administration, Shanghai 201206, China
    2Key Laboratory of Marine Ecological Monitoring and Restoration Technology, Ministry of Natural Resources, Shanghai 201206, China
    3East Sea Marine Environmental Investigating and Surveying Center, State Oceanic Administration, Shanghai 200137, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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