Occurrence of the Kessler's gudgeon<i>Romanogobio kesslerii</i>(Dybowski, 1862) (Cyprinidae) in the Upper Vistula River (Poland)

Nowak, Małgorzata; Klaczak, Artur; Szczerbik, P.; Mendel, Jan; Popek, W.

doi:10.1111/jai.12501

Cited by 2 publications

(1 citation statement)

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“…The great variability in European gudgeon species that makes their identification difficult perpetuates the scientific interest for resolving of their taxonomy, morphological and genetic diversity, and phylogenetic relations between them (Freyhof et al 2000;Kottelat and Persat 2005;Mendel et al 2008Mendel et al , 2012Takács 2012;Nowak et al 2013Nowak et al , 2014Szlachciak and Nowak 2015;Zangl et al 2020). The structure of the vertebral column offers a powerful tool in resolving taxonomic distinction between gudgeon species (Naseka 1996(Naseka , 2001Talabishka 2014).…”

Section: Discussionmentioning

confidence: 99%

First data on the structure of the vertebral column in Gobio and Romanogobio species (Actinopterygii, Cypriniformes, Gobionidae) from Ohrid Lake and the Vardar River basin

Arsovska¹,

Ristovska²,

Simonović³

et al. 2021

AIeP

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The validity of four gudgeon species known for the ichthyofauna of North Macedonia has been a matter of different taxonomic disputes (except for Gobio ohridanus Karaman, 1924). Recently, a restoration of the species status was proposed for Gobio balcanicus Dimovski et Grupče, 1977 and Romanogobio banarescui (Dimovski et Grupče, 1974). So far, Romanogobio stankoi (Karaman, 1974), has not been a part of any recent investigation and it is still considered as a junior synonym of Romanogobio elimeius (Kattoulas, Stephanidis et Economidis, 1973) or R. banarescui due to the lack of distinctive morphological characters. The osteological characters in the structure of the vertebral column, have significance to the systematics of the gudgeons, especially in elevation of Romanogobio at the level of genus. To contribute to resolving the taxonomic status in these gudgeon species, the goal of this paper is to identify distinctive characters by presenting and analyzing the structure of their vertebral column. Samples were inspected from the fish collections in the Institute of Biology (G. ohridanus), the Institute of Animal Science (G. balcanicus), and the Macedonian Museum of Natural History (both Romanogobio species). Fish samples were X-rayed as well as cleared and double-stained. Obtained data on the number of vertebrae were presented through the vertebral formula following Naseka (1996). Multiple Correspondence Analysis (MCA) was used to check the interrelation between taxa and the number of vertebrae in all units of the vertebral column. G. balcanicus is distinguished from G. ohridanus mainly in the predorsal and preanal subregion (10 vs. 11 vertebrae and 1 vs. 0 vertebrae, respectively), while R. stankoi distinguishes from R. banarescui by the number of vertebrae in the preanal and postanal subregion (2 vs. 4 vertebrae and 19 vs. 17 vertebrae, respectively). The structure of vertebral column offers distinctive morphological characters for the four gudgeon species from Ohird Lake and the Vardar River basin.

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Section: Discussionmentioning

confidence: 99%

First data on the structure of the vertebral column in Gobio and Romanogobio species (Actinopterygii, Cypriniformes, Gobionidae) from Ohrid Lake and the Vardar River basin

Arsovska¹,

Ristovska²,

Simonović³

et al. 2021

AIeP

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Diel differences in the exploitation of shallow inshore habitats by three small bottom-dwelling fishes with implications for their monitoring in a large lowland river

Nowak

Klaczak

Szczerbik

et al. 2018

Archives of Polish Fisheries

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Sampling small-bodied fish species in large lowland rivers poses numerous difficulties often resulting in the underestimation of their true distribution and abundance. Some of these drawbacks might be overcome by using additional sampling gears and adapting sampling strategies to the biological specifications of the target species. The results of a two-year, repeated survey on a single location on the Vistula River (southern Poland) revealed that nighttime beach seining proved to be very effective in collecting specimens of three imperiled species: Romanogobio belingi, Romanogobio kesslerii, and Sabanejewia baltica. It was found that these species were 4.3-8.8 times more abundant in nighttime than in daytime collections. The abundance of all three species peaked at dusk and gradually decreased in subsequent hours. In conclusion, nighttime beach seining is recommended as a supplementary sampling technique for small bottom-dwelling fish species in large lowland rivers.

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Occurrence of the Kessler's gudgeonRomanogobio kesslerii(Dybowski, 1862) (Cyprinidae) in the Upper Vistula River (Poland)

Cited by 2 publications

References 4 publications

First data on the structure of the vertebral column in Gobio and Romanogobio species (Actinopterygii, Cypriniformes, Gobionidae) from Ohrid Lake and the Vardar River basin

First data on the structure of the vertebral column in Gobio and Romanogobio species (Actinopterygii, Cypriniformes, Gobionidae) from Ohrid Lake and the Vardar River basin

Diel differences in the exploitation of shallow inshore habitats by three small bottom-dwelling fishes with implications for their monitoring in a large lowland river

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