Revalidation of Arnoglossus blachei, a species of flounder from off West Africa, with a redescription of Arnoglossus imperialis from the northeastern Atlantic and Mediterranean (Teleostei: Bothidae)

IF 0.8 4区 生物学 Q4 MARINE & FRESHWATER BIOLOGY Scientia Marina Pub Date : 2023-03-30 DOI:10.3989/scimar.05347.056
R. Fricke, Sergio Ramírez-Amaro, F. Ordines
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Abstract

   Blache’s flounder, Arnoglossus blachei Stauch, 1965, is redescribed from the eastern Atlantic (Morocco south to Namibia, including the Canary Islands, larvae reaching South Africa) and distinguished from the imperial flounder A. imperialis (Rafinesque, 1810) by having a live colouration of the lower side of males which is bright red (whitish in A. imperialis), the caudal fin with lateral-line scales 52-57 (vs. 58-63), and the dorsal-fin filaments in male light grey, with black margins, distally yellowish (vs. plain white). A lectotype is selected for Arnoglossus blachei. The species is compared with similar species. The externally similar species Arnoglossus imperialis is also redescribed; its distibution range is restricted to the Mediterranean and northeastern Atlantic, including Madeira and the Azores. Neotypes are selected to stabilize the usage of the names Bothus imperialis Rafinesque, 1810, Bothus punctatus Rafinesque, 1814, Rhombus cristatus Lowe, 1839 and Charybdia rhomdoidichthys Facciolà, 1885. Molecular analyses based on two mitochondrial fragments (12s rRNA and COI) clearly support the validity of A. blachei. Moreover, though A. blachei is morphologically close to A. imperialis, the two species show the highest genetic distances among all Arnoglossus species compared (including A. capensis, A. imperialis, A. laterna, A. rueppelii and A. thori). A key to the eastern Atlantic and Mediterranean species of Arnoglossus is presented.
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来自西非海域的一种牙鲆,对来自大西洋东北部和地中海的帝王舌鲆进行重新鉴定(Teleoste:Bothidae)
Blache's牙鲆,Arnoglossus blachei Stauch,1965年,重新命名自东大西洋(摩洛哥南部至纳米比亚,包括加那利群岛,幼虫到达南非),与帝王牙鲆(Rafinesque,1810)的区别在于,雄性的下侧有鲜红色的活色(帝王牙鲆为白色),尾鳍具侧线鳞片52-57(vs.58-63),背鳍细丝为雄性浅灰色,边缘黑色,远端淡黄色(vs.纯白)。选择了一个选择型的紫草。将该物种与类似物种进行比较。外部相似的物种也被重新描述;其分布范围仅限于地中海和大西洋东北部,包括马德拉岛和亚速尔群岛。选择新类型是为了稳定名称Bothus empterialis Rafinesque,1810,Bothus punctatus Rafinesue,1814,Rhombus cristus Lowe,1839和Charybdia rhomdoidichys Facciolà,1885的使用。基于两个线粒体片段(12s rRNA和COI)的分子分析清楚地支持A.blachei的有效性。此外,尽管A.blachei在形态上与A.emperialis接近,但这两个物种的遗传距离在所有比较的阿诺属物种中最高(包括A.capensis、A.emperilis、A.laterna、A.ruepellii和A.thori)。本文介绍了东大西洋和地中海地区的一个重要的Arnoglossus物种。
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来源期刊
Scientia Marina
Scientia Marina 生物-海洋与淡水生物学
CiteScore
2.10
自引率
0.00%
发文量
21
审稿时长
6-12 weeks
期刊介绍: Scientia Marina is the successor to Investigación Pesquera, a journal of marine sciences published since 1955 by the Institut de Ciències del Mar de Barcelona (CSIC). Scientia Marina is included in the Science Citation Index since 1998 and publishes original papers, reviews and comments concerning research in the following fields: Marine Biology and Ecology, Fisheries and Fisheries Ecology, Systematics, Faunistics and Marine Biogeography, Physical Oceanography, Chemical Oceanography, and Marine Geology. Emphasis is placed on articles of an interdisciplinary nature and of general interest.
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