首页|First record of abnormal body coloration in a rockfish Sebastes koreanus(Scorpaenoidei:Sebastidae)from coastal water of China based on morphological characteristics and DNA barcoding

First record of abnormal body coloration in a rockfish Sebastes koreanus(Scorpaenoidei:Sebastidae)from coastal water of China based on morphological characteristics and DNA barcoding

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The first record of abnormal body coloration in Sebastes koreanus Kim and Lee,1994,from the Yellow Sea of China,was documented based on morphological characteristics and DNA barcoding.The two rockfish specimens were collected from the coastal waters of Qingdao,China,and the whole body and all fins of them were red.Of the two red-colored rockfish,there were tiny deep red spots on each fin,2 red radial stripes behind and below the eyes and 1 large deep red blotch on the opercula,while the similar stripe and spot patterns are also present in the SS.koreanus specimens with normal body coloration.The countable characteristics of the two specimens are in the range of the morphometry of S.koreanus.To further clarify the species identity and taxonomic status of the two specimens,DNA barcode analysis was carried out.The genetic distance between the red-colored rockfish and S.koreanus was 0,and the minimum net genetic distances between the red-colored rockfish and other Sebastes species except for S.koreanus were 3.0%,which exceeds the threshold of species delimitation.The phylogenetic analysis showed that the DNA barcoding sequences of the two red-colored rockfish clustered with the S.koreanus sequences.The above results of DNA barcode analysis also support that the two red-colored rockfish could be identified as the species of S.koreanus.The mechanism of color variation in SS.koreanus is desirable for further research and the species could be an ideal model to study the color-driven speciation of the rockfishes.

abnormal body colorationSebastes koreanuscoastal water of ChinaYellow Seamorphological characteristicsDNA barcoding

Ang LI、Huan WANG、Changting AN、Shufang LIU

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Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266071,China

Laboratory for Marine Fisheries Science and Food Production Processes,Laoshan Laboratory,Qingdao 266071,China

国家重点研发计划China Agriculture Research System of MOF and MARACentral Public-Interest Scientific Institution Basal Research FundCentral Public-Interest Scientific Institution Basal Research Fund

2018YFD0900803CARS-472021JC0120603022022024

2024

海洋湖沼学报(英文版)
中国海洋湖沼学会

海洋湖沼学报(英文版)

CSTPCD
影响因子:0.386
ISSN:2096-5508
年,卷(期):2024.42(2)
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