Description of three new species of the genus Cobitis L., 1758 (Actinopterygii, Cobitidae) in the Iberian Peninsula

IF 1.2 4区 环境科学与生态学 Q4 LIMNOLOGY Limnetica Pub Date : 2023-07-13 DOI:10.23818/limn.43.12
I. Doadrio, C. Sousa‐Santos, J. Robalo, S. Perea
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引用次数: 1

Abstract

Three new species, Cobitis almadae sp. nov., Cobitis atlantica sp. nov., and Cobitis mellaria sp. nov. are described on the basis of morphological and genetic traits. Cobitis almadae sp. nov. is restricted to the Sizandro Drainage in Portugal and can be distinguished from other Cobitis species through a combination of morphometric and genetic traits including large and low peduncle depth, lateral ethmoid (suborbital spine) well developed with long narrow mediocaudal, laterocaudal and mediorostral processes, an elongated and narrow frontoparietal fontanel and a wide third Gambetta’s zone sprinkled with numerous black spots. Furthermore, two autapomorphies are found within its mitochondrial cytochrome b gene. Cobitis atlantica sp. nov. inhabits the northern Atlantic rivers of the Iberian Peninsula from the Minho Drainage to the Alcoa Drainage and can be differentiated from other Cobitis species through a set of morphometric and genetic traits including short and high peduncle depth,a well-developed lateral ethmoid (suborbital spine) with short and wide mediocaudal, laterocaudal and mediorostral processes, wide frontoparietal fontanel, and developed ventral pigmentation in adult individuals. In females, the Gambetta’s fourth row has 10-16 blotches reaching the ventral pigmentation in the caudal region and the third Gambetta’s zone is narrow with black spots. Cobitis mellaria sp. nov inhabits the Valle Drainage in southern Spain and is distinguished from other Cobitis species through the following morphometric and genetic traits: low peduncle depth, lamina circularis with convex outer edge, lateral ethmoid (suborbital spine) with short laterocaudal process and large mediorostral process, elongated frontoparietal fontanel, no ventral pigmentation in adults. In females, Gambetta’s fourth row has 10-15 blotches. One autapomorphy is found within the mitochondrial cytochrome b gene of Cobitis mellaria sp. nov.
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伊比利亚半岛Cobitis L., 1758三新种记述(放线翼虫科,Cobitidae)
根据形态和遗传特征描述了3个新种:almadae Cobitis sp. nov.、atlantica Cobitis sp. nov.和mellaria sp. nov.。Cobitis almadae sp. 11 .局限于葡萄牙的Sizandro排水区,可以通过形态测量学和遗传特征的组合与其他Cobitis物种区分开来,包括大而低的脚柄深度,外侧筛骨(亚眶棘)发育良好,长而窄的中侧、侧尾侧和中侧突,细长而狭窄的额顶fontal和宽的第三Gambetta区,上面散布着许多黑点。此外,在其线粒体细胞色素b基因中发现了两个自异形。Cobitis atlantica sp11 .生活在伊比利亚半岛从Minho流域到Alcoa流域的北大西洋河流中,可以通过一系列形态和遗传特征与其他Cobitis物种区分,包括短而高的脚梗深度,发育良好的侧筛(亚眶棘),短而宽的中侧、侧尾侧和中侧突,宽的额顶fontal,以及发达的腹侧色素沉着。雌性甘贝塔鱼的第四排有10-16个斑点,到达尾侧的腹侧色素沉着区,第三排甘贝塔鱼区狭窄,有黑点。Cobitis mellaria sp. nov生活在西班牙南部的河谷流域,通过以下形态和遗传特征与其他Cobitis物种区分:脚梗深度低,圆板外缘凸,外侧筛(眶下棘),侧尾突短,中侧突大,额顶囟长,成虫无腹侧色素沉着。在雌性中,Gambetta的第四排有10-15个斑点。在棉铃虫线粒体细胞色素b基因中发现了一个自异形。
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来源期刊
Limnetica
Limnetica LIMNOLOGY-MARINE & FRESHWATER BIOLOGY
CiteScore
3.70
自引率
7.10%
发文量
26
审稿时长
>12 weeks
期刊介绍: Limnetica publishes original research articles on the ecology of inland waters. The scope of Limnetica includes the ecology of rivers, lakes, reservoirs, coastal lagoons and wetlands, as well as biogeochemistry, paleolimnology, development of new methodologies, taxonomy, biogeography and any aspect of theoretical and applied continental aquatic ecology such as management and conservation, impact assessment, ecotoxicology and pollution. Limnetica will accept for its publication scientific articles presenting advances in knowledge or technological development, as well as as papers derived from new practical approaches on the topics covered by the journal.
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