A new record of a flathead fish （Teleostei： Platycephalidae） from China based on morphological characters and DNA barcoding

A new record of Platycephalus sp.1 （sensu Nakabo, 2002） was documented based on morphological characters and DNA barcoding. We collected 174 specimens of the genus Platycephalus from Chinese coastal waters of Dongying, Qingdao, Zhoushan, and Beihai. Samples were identified as Platycephalus sp. 1 mor...

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Published in中国海洋湖沼学报：英文版 no. 3; pp. 617 - 624
Main Author 秦岩 宋娜 邹建伟 张朝晖 程光平 高天翔 张秀梅
Format Journal Article
LanguageEnglish
Published 2013
Subjects
DNA
中国
形态测量
条形码技术
特征和
系统发育分析
细胞色素氧化酶
鱼
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ISSN0254-4059
1993-5005

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Summary:A new record of Platycephalus sp.1 （sensu Nakabo, 2002） was documented based on morphological characters and DNA barcoding. We collected 174 specimens of the genus Platycephalus from Chinese coastal waters of Dongying, Qingdao, Zhoushan, and Beihai. Samples were identified as Platycephalus sp. 1 morphologically. The coloration, meristic traits, and morphometric measurements are consistent with previously published records. In brief, it is an orange-brown flathead fish with dark brown spots scattered on head and body, lateral line scales 83 to 99 with one or two spine-bearing anteriormost pored scale, no yellow blotch on the caudal fin. Cytochrome oxidase I subunit （COI） gene fragments were sequenced for phylogenetic analysis. The mean evolutionary distance within the species Platycephalus sp. 1 was 0.1%. Net evolutionary distances between Platycephalus sp. 1 and other species of Platycephalus ranged from 10.8% to 19.7%, which is much greater than the threshold for species delimitation. The COl sequence analysis strongly supports the validity ofPlatyceohalus sp. 1 at genetic level.
Bibliography:Platycephalus sp. 1; Chinese coastal waters; new record; morphological characters; cytochromeoxidase I subunit （COI）
QIN Yan , SONG Na , ZOU Jianwei , ZHANG Zhaohui , CHENG Guangping , GAO Tianxiang , ZHANG Xiumei（1 The Institute of Evolution andMarine Biodiversity, Ocean University of China, Qingdao 266003, China 2 Beihai Fisheries Technical Extension Station, Beihai 536000, China 3 The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China College of Animal Science and Technology, Guangxi University, Nanning 530005, China Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China）
37-1150/P
A new record of Platycephalus sp.1 （sensu Nakabo, 2002） was documented based on morphological characters and DNA barcoding. We collected 174 specimens of the genus Platycephalus from Chinese coastal waters of Dongying, Qingdao, Zhoushan, and Beihai. Samples were identified as Platycephalus sp. 1 morphologically. The coloration, meristic traits, and morphometric measurements are consistent with previously published records. In brief, it is an orange-brown flathead fish with dark brown spots scattered on head and body, lateral line scales 83 to 99 with one or two spine-bearing anteriormost pored scale, no yellow blotch on the caudal fin. Cytochrome oxidase I subunit （COI） gene fragments were sequenced for phylogenetic analysis. The mean evolutionary distance within the species Platycephalus sp. 1 was 0.1%. Net evolutionary distances between Platycephalus sp. 1 and other species of Platycephalus ranged from 10.8% to 19.7%, which is much greater than the threshold for species delimitation. The COl sequence analysis strongly supports the validity ofPlatyceohalus sp. 1 at genetic level.
ISSN:0254-4059
1993-5005