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孔晓瑜,刘高康.2022.中国大陆沿海新记录种——卷眼斑鲆(Pseudorhombus oculocirris).动物学杂志,57(4):629-634.
中国大陆沿海新记录种——卷眼斑鲆(Pseudorhombus oculocirris)
Pseudorhombus oculocirris—A New Record Species of Paralichthyidae from the Coastal Waters of Mainland China
投稿时间:2022-01-29  修订日期:2022-06-30
DOI:10.13859/j.cjz.202204017
中文关键词:  鲽形目  斑鲆属  COI条形码  形态特征
英文关键词:Pleuronectiforms  Pseudorhombus  DNA barcoding  Morphological characters
基金项目:南方海洋科学与工程广东省实验室(广州)人才团队引进重大专项(No. GML2019ZD0404),国家自然科学基金项目(No. 31872570)
作者单位E-mail
孔晓瑜 南方海洋科学与工程广东省实验室(广州) 广州 xykong@scsio.ac.cn 
刘高康 南方海洋科学与工程广东省实验室(广州) 广州 2074733563@qq.com 
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中文摘要:
      斑鲆属(Pseudorhombus, Bleeker, 1862)隶属于鲽形目(Pleuronectiforms)牙鲆科(Paralichthyidae),根据Eschmeyer’s Catalog of Fishes记录有效种类有25种;根据李思忠等(1995)的《中国动物志:硬骨鱼纲 鲽形目》记载,目前在中国大陆海域有标本记录的有11种。本研究在2007年到2021年在海南的文昌、陵水和三亚分别采集到了9尾有眼侧有5个眼状斑纹的标本,并和该属25种鱼类的原始形态特征进行了比较。比对结果发现,该样品符合Amaoka(1969)定名的卷眼斑鲆(P. oculocirris Amaoka, 1969)形态特征。该种类目前只在日本和越南有报道,本研究是首次在中国大陆海域采集,故为新记录种。本研究结合卷眼斑鲆原始描述、相关文献和采集到的9尾标本的形态特征对该种类进行了详细的再描述,并首次提供了线粒体分子条形码(GenBank登录号为OL307681、OL307682和OL307683)。该种的主要形态特征为背鳍65–76;臀鳍50–57;有眼侧胸鳍11–13,无眼侧胸鳍10–12;尾鳍条2 + 13 + 2;第一鳃弓鳃耙4–7 + 17–20;侧线鳞71–82;脊椎骨10 + 26 = 36;背鳍前边几个鳍条稍长且基部只有1/5–1/3连有鳍膜,下眼上缘具有指状皮突。本研究的发现进一步扩大了该种的分布范围和提供了种类鉴定的分子依据,本报道将会为牙鲆科鱼类生物多样性和系统演化研究提供科学依据。
英文摘要:
      Pseudorhombus, Bleeker, 1862, belongs to the family Paralichthyidae in Pleuronectiforms. According to Eschmeyer's Catalog of Fishes, there are 25 valid species recorded, and 11 species recorded from the coastal waters of mainland China based on the Fauna Sinica, Osteichthyes, Pleuronectiformes by Li and Wang, 1995. Nine specimens with five ocelli on the ocular side were collected from 2007 to 2021 along the coastal waters of Wenchang, Lingshui and Sanyan in Hainan province, and then, compared with the morphological characteristics of 25 species in Pseudorhombus. The results showed that these specimens were consistent with the morphological characteristics of Pseudorhombus oculocirris Amaoka, 1969, which has only been reported in Japan and Vietnam. This is the first report of this species from the coastal waters of mainland China. A detailed redescription of P. oculocirris was given based on the data of morphological characters of nine specimens collected in this study and previous works, including the original description and related literature of this species. Furthermore, the COI barcoding was provided for the first time (GenBank No. OL307681, OL307682 and OL307683). The diagnosis characteristics for this species are as follows: The anterior dorsal fin rays are slightly longer and only 1/5–1/3 of its base is connected with the fin membrane; the upper edge of the lower eye has finger–like dermal tentacle. Dorsal fin rays 65–76; Anal fin rays 50–57; Pectoral fin rays 11–13 on ocular side, 10–12 on blind side; Caudal fin rays 2 + 13 + 2; gill–rakers on first arch 4–7 + 17–20; lateral line scales 71–82; vertebrae 10 + 26 = 36. In summary, the present study further expands the distribution of this species and provides the molecular basis for species identification, which can serve as the scientific evidence for the study of the biodiversity and systematic evolution of Paralichthyidae.
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