On morphology and taxonomy of scophthalmids

Voronina, E. P.

doi:10.1134/s0032945210090018

Cited by 5 publications

(8 citation statements)

References 18 publications

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“…They were also considered as an independent species, S. maeoticus , or as a subspecies, S. maximus maeoticus , and given the common name Black Sea Turbot (Bailly & Chanet, 2010; Evseenko, 2003; Giragosov & Khanaychenko, 2012). Recent studies based on morphological and mitochondrial DNA (mtDNA) analysis suggested the presence of three turbot species, S. maximus , S. maeoticus and S. rhombus (Saygun, 2018; Turan et al ., 2019a; Voronina, 2010), in the Black Sea, with small sample size. There is still a need for comprehensive phylogenetic studies to clarify the nomenclatural issues.…”

Section: Introductionmentioning

confidence: 97%

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Population genetic structure of turbot (Scophthalmus maximus L., 1758) in the Black Sea

Firidin

Öztürk

Alemdag

et al. 2020

Journal of Fish Biology

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Turbot, Scophthalmus maximus, is a commercially important demersal flatfish species distributed throughout the Black Sea. Several studies performed locally with a limited number of specimens using both mitochondrial DNA (mtDNA) and microsatellite markers evidenced notable genetic variation among populations. However, comprehensive population genetic studies are required to help management of the species in the Black Sea. In the present study eight microsatellite loci were used to resolve the population structure of 414 turbot samples collected from 12 sites across the Black Sea. Moreover, two mtDNA genes, COI and Cyt-b, were used for taxonomic identification. Microsatellite markers of Smax-04 and B12-I GT14 were excluded from analysis due to scoring issues. Data analysis was performed with the remaining six loci. Loci were highly polymorphic (average of 17.8 alleles per locus), indicating high genetic variability. Locus 3/20CA17, with high null allele frequency (>30%), significantly deviated from HW equilibrium. Pairwise comparison of the F ST index showed significant differences between most of the surveyed sampling sites (P < 0.01). Cluster analysis evidenced the presence of three genetic groups among sampling sites. Significant genetic differentiation between Northern (Sea of Azov and Crimea) and Southern (Turkish Black Sea Coast) Black Sea sampling sites were detected. The Mantel test supported an isolation by distance model of population structure. These findings are vital for long-term sustainable management of the species and development of conservation programs. Moreover, generated mtDNA sequences would be useful for the establishment of a database for S. maximus.

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Section: Introductionmentioning

confidence: 97%

“…Recent studies based on morphological and mitochondrial DNA (mtDNA) analysis suggested the presence of three turbot species, S. maximus, S. maeoticus and S. rhombus (Saygun, 2018;Turan et al, 2019a;Voronina, 2010), in the Black Sea, with small sample size.…”

mentioning

confidence: 99%

Population genetic structure of turbot (Scophthalmus maximus L., 1758) in the Black Sea

Firidin

Öztürk

Alemdag

et al. 2020

Journal of Fish Biology

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“…Both complete and reduced patterns occur among species in this family (Voronina, 2010; Figure 10). A complete pattern is present in Scophthalmus, Lophopsetta and Lepidorhombus and a reduced pattern is found in Zeugopterus and Phrynorhombus .…”

Section: Resultsmentioning

confidence: 99%

“…Differences in the form of the canals, number of pores and the degree of branching of the canaliculi have been used in the diagnosis of citharid, pleuronectid and soleid taxa (Hoshino, 2000(Hoshino, , 2001Hubbs, 1945;Orr & Matarese, 2000;Randall, 2007;Randall & Desoutter-Meniger, 2007;Vachon, Chapleau, & Desoutter-Meniger, 2008). Comparison of the LLS among the six flatfish families showed diversity of characters that define different genera (Voronina, 2009(Voronina, , 2010.…”

Section: Introductionmentioning

confidence: 99%

Lateral line system of flatfishes (Pleuronectiformes): Diversity and taxonomic distribution of its characters

2019

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An analysis of lateral line system (LLS) morphology in 304 species (39% of those presently known) from 121 (92%) genera belonging to all 14 families of Pleuronectiformes is presented. The main feature of the LLS of flatfishes is bilateral asymmetry in the course of the cranial lateral line canals, but also in the reduction of canals or portions of canals, which occurs independently on the eyed and blind sides. The number of reductions is used to define two patterns for comparative analysis. A complete pattern is defined by the presence of all main canals, connected with each other, and the canaliculi that end in pores are usually highly branched. The reduced pattern is defined by the presence of more than two reductions. Each family is characterized by the occurrence of a complete pattern, a reduced pattern or both patterns. The combination of reductions varies considerably and characterizes taxa at the generic level. A reduced pattern appears independently several times and has a complex evolutionary history with reversals to a complete pattern. This study has shown that LLS characters are very informative for phylogeny and taxonomy and should be an important component of the description and revision of pleuronectiform taxa and their relationships.

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“…According to results of recent observations, it has no taxonomically important genetic or morphological differences from Atlantic turbot (Scophthalmus maximus) (synonym is Psetta maxima) (Suzuki et al, 2004;Voronina, 2010). Plac ing the Atlantic turbot into Scophthalmus genus is, in turn, quite reasonable (Bailly, Chanet, 2010).…”

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confidence: 95%

Record of Scophthalmus rhombus (Pleuronectiformes: Scophthalmidae) near the Crimea

et al. 2012

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On morphology and taxonomy of scophthalmids

Cited by 5 publications

References 18 publications

Population genetic structure of turbot (Scophthalmus maximus L., 1758) in the Black Sea

Population genetic structure of turbot (Scophthalmus maximus L., 1758) in the Black Sea

Lateral line system of flatfishes (Pleuronectiformes): Diversity and taxonomic distribution of its characters

Record of Scophthalmus rhombus (Pleuronectiformes: Scophthalmidae) near the Crimea

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