A new species of the gudgeon genus<i> Microphysogobio</i> Mori, 1934 (Cypriniformes: Cyprinidae) from Zhejiang Province, China

Zhi-Xian Sun; Bin-Qing Zhu; Jun Wu; Ya-Hui Zhao

doi:10.24272/j.issn.2095-8137.2021.398

Volume 43 Issue 3

May 2022

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Article Navigation > Zoological Research > 2022 > 43(3): 356-361

Zhi-Xian Sun, Bin-Qing Zhu, Jun Wu, Ya-Hui Zhao. A new species of the gudgeon genus Microphysogobio Mori, 1934 (Cypriniformes: Cyprinidae) from Zhejiang Province, China. Zoological Research, 2022, 43(3): 356-361. doi: 10.24272/j.issn.2095-8137.2021.398

Citation:

Zhi-Xian Sun, Bin-Qing Zhu, Jun Wu, Ya-Hui Zhao. A new species of the gudgeon genus Microphysogobio Mori, 1934 (Cypriniformes: Cyprinidae) from Zhejiang Province, China. Zoological Research, 2022, 43(3): 356-361. doi: 10.24272/j.issn.2095-8137.2021.398

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A new species of the gudgeon genus Microphysogobio Mori, 1934 (Cypriniformes: Cyprinidae) from Zhejiang Province, China

doi: 10.24272/j.issn.2095-8137.2021.398

Zhi-Xian Sun¹,
Bin-Qing Zhu²,
Jun Wu^{2
,
,},
Ya-Hui Zhao^{1
,
,}

1.
Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
2.
Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of China, Nanjing, Jiangsu 210042, China

Funds: This work was supported by the National Science & Technology Fundamental Resources Investigation Program of China (2019FY101800), Project of Biodiversity Survey and Conservation in Lishui, Zhejiang Province, and Sino BON-Inland Water Fish Diversity Observation Network

More Information

Corresponding author: E-mail: wujun@nies.org; zhaoyh@ioz.ac.cn
Received Date: 2022-02-02
Accepted Date: 2022-03-29

Published Online: 2022-03-31

Publish Date: 2022-05-18

Abstract

Abstract

A new gobionine species, Microphysogobio oujiangensis sp. nov. , was collected from the Oujiang River Basin during field work in Lishui City, Zhejiang Province in 2021. The new species can be well distinguished from its congeners by the combination of the following characteristics: mouth shallow arc-shaped, width of cutting edge on upper jaw equal to half mouth width, central portion of anterior papillae arranged in one row with 6–10 well-developed papillae of equal size, medial pad on lower lip bisected into two squircle-shaped pads, and grooved; midventral region completely scaled and thorax scaleless, lateral line scales 36–38, pre-dorsal scales 8–10; barbel length 26.7%–31.4% of head length; eye diameter 30.9%–36.9% of head length, interorbital width 21.3%–27.6% of head length; posterior chamber of air-bladder weak, length smaller than half eye diameter. Bayesian inference and maximum-likelihood phylogenetic analyses based on the cyt b gene sequence and species delineation also supported the specimens as a distinct species, sister to M. brevirostris (Günther, 1868).

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References(21)

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