Paracobitis salihae, new species, from the Göksu River in western upper Euphrates drainage, is distinguished other species by possessing a truncate caudal-fin, and dark-brown vermiculate or marbled colour pattern. It also characterised 19 variable nucleotide substitutions, three diagnostic nucleotides 3.6% minimum K2P distance compared to geographically adjacent related P. zabgawraensis. salihae might be Critically Endangered threatened dam constructions.

We tested for reproductive isolation between Salmo trutta abanticus , S.t. labrax caspius and fario by conducting crosses to produce F1 F2 offspring. also estimated the extent of genetic divergence all three entities examining sequence variation across coI d‐loop cytb mitochondrial genes. All cross‐types were successfully produced. After 2 years culturing, generation produced as well. Fertilization, hatching survival rates performance generations evaluated. had similar their parent....

Salmo fahrettini, a new species, is distributed in the northern tributaries of Euphrates River. It differs from other species adjacent waters by combination following characters: greyish body; one black spot behind eye and on cheek; three to six spots opercle; numerous back (missing predorsal area), flank middle part body, surrounded roundish white ring; red median short narrow maxilla; increase number with an size; adipose fin medium size, no or rarely at its posterior edge; 109-116 lateral...

Oxynoemacheilus cemali sp. nov. is described from the Çoruh River drainage in eastern Black Sea basin. One molecular marker ( coI ), 25 morphometric and four meristic characters were analysed. distinguished O. kosswigi , banarescui samanticus angorae basin by having a suborbital groove males, an axillary lobe at pelvic‐fin base, no dorsal adipose crest on caudal peduncle, slightly‐forked fin 7–15 dark grey saddles. Morever, commonly 9–15 irregularly‐shaped dark‐grey bars flank posterior to...

Abstract Oxynoemacheilus fatmae , a new species, is found in the Güzelhisar Stream northern Aegean Sea basin. It differentiated from all other species of and adjacent basins by having four to eight irregularly shaped narrow black bars on posterior part flank, anterior parts flank with marbled pattern. O. closest theophilii 14 fixed diagnostic nucleotide substitution sites, pair‐wise genetic distance 2.22%. further differs slenderer body (body at dorsal‐fin origin: 15%–17% standard length...

Oxynoemacheilus sakaryaensis sp. nov. , is restricted to the Sakarya River basin, and O. melenicus distributed in both Büyükmelen Stream. distinguished by having a flank plain or with numerous irregularly shaped pale brownish bars caudal-peduncle depth 2.8–3.2 times its length. 10–13 irregular blotches caudal peduncle 1.9–2.8 banarescui samanticus simavicus fatsaensis are valid, which belong bergianus species group. were differentiated from all other western Anatolia two diagnostic unique...

Oxynoemacheilus cilicicus, new species, is described from the Göksu, Seyhan and Ceyhan rivers in southern Turkey. It distinguished other species Eastern Mediterranean Sea basin by possession of an incomplete lateral line, terminating before vertical dorsal-fin origin or slightly behind base, a deeply emarginate caudal fin, no suborbital groove male individuals, series dark-brown bars on flank not interrupted along line. Molecular data suggest that cilicicus characterised 22 variable...

Petroleuciscus ninae sp. nov. is described from the Büyük Menderes River drainage. The new species distinguished by having a black lateral stripe head to base of caudal fin, distinct anteriorly and posteriorly, wider than eye diameter; numerous pigments on anal-fin rays; body depth at dorsal-fin origin 27-30% standard length (LS ); width posterior margin 16-19% LS ; diameter smaller snout length. also other in adjacent waters six fixed diagnostic nucleotide substitutions mitochondrial DNA...

Barbus xanthos, a new species, is described from the Eşen, Dalaman, Tersakan and Büyük Menderes rivers in south-western Anatolia. It differs other species adjacent basins by having 53-60 lateral line scales, weakly ossified last unbranched dorsal-fin ray (about 33-50%), numerous small irregular-shaped black or dark-brown spots smaller than often forming large, blotches on back flank juveniles adults, straight slightly convex posterior margin. B. xanthos its most closely related congener,...

Interspecific and intraspecific differentiation of the picarel in Turkish coastal waters were examined using partial 16S rRNA (1021 bp) whole cytochrome b gene (1141 sequences 244 samples from 7 populations across their geographical distribution.Genetic distances phylogenetic tree topologies revealed that three Spicara species distinctly separated each other S. flexuosa maena are genetically more closely related than smaris.Lowlevel genetic diversity a star-like haplotype network can be...

Oxynoemacheilus marmaraensis, new species, is restricted to the Susurluk River. It distinguished from all named species of in northwestern Anatolian by flank with a vermiculate pattern and presence suborbital groove males, no axillary lobe at base pelvic fin. also differs closest kentritensis, having 58 nucleotide substitution sites. The genetic distance 10.49% between O. marmaraensis kentritensis. Phylogenetic analyses delimitation tests (Poisson tree processes assemble automatic...

In this study, phylogenetic relationships of Petroleuciscus species in Turkey were investigated by using mitochondrial cytochrome b (cyt b) (1140 bp). For purpose, 84 samples from 13 populations for the cyt gene sequenced. The result genetic analysis, twenty-one haplotypes identified and overall haplotype diversity was calculated as Hd: 0.921±0.011. analysis shows presence two clades four haplogroups. First clade includes smyrneaus P. ninae Western Anatolia. Second indicated that...

mtDNA-RFLP, a technique commonly used for molecular identification of species, was to distinguish between morphologically similar crayfish species Austropotamobius torrentium and Astacus leptodactylus in this study.The mitochondrial COI gene amplified digested using 15 restriction endonucleases establish map.The sequence contained recognition sites three the (SspI, KpnI, RsaI) produced two fragments genotypes torrentium.However, did not have these enzymes.Thus, mtDNA-RFLP can be successfully...

The taxonomic status of the Oxynoemacheilus from Karınca and Havran streams in north Aegean Basin was evaluated, it concluded that these populations contain a new species. species, kottelati sp. nov. , is distinguished by body with marbled pattern, deeper caudal peduncle, shorter wider interorbital distance, middle caudal-fin lope. differentiated closest O. marmaraensis possessing 51 nucleotide substitution sites, genetic distance 8.40%, presence an axillary lobe at base pelvic fin (vs....

This study aimed to investigate the genetic diversity and population structure of Wels catfish Silurus glanis L. 1758 in Turkey using squences mitochondrial DNA control region The 887-bp fragment D-loop was aligned for 112 S. individuals from ten wild populations Turkey, defined by 29 polymorphic sites comprising 16 haplotypes. low haplotype nucleotide within each ranged 0.000 0.378 0.0000 0.0045, respectively. Analysis molecular variance showed significant differentiation among (FST =0.940;...

In this research, length-weight relationships and meat yields of freshwater crayfish (Pontastacus leptodactylus) were investigated in Apolyont Lake, İznik Manyas Terkos Küçükçekmece Sera Çıldır Ulugöl Lake Eğirdir between July September 2010. For purpose, 698 individuals sampled from nine different inland water resources Turkey. a total 62 (34♀♀-28♂♂) 103 (45♀♀-58♂♂) 129 (85♀♀- 44♂♂) 156 (89♀♀-67♂♂) 63 (41♀♀-22♂♂) 44 (24♀♀-20♂♂) 34 (13♀♀-21♂♂) 59 (16♀♀-43♂♂) 48 (25♀♀-23♂♂) during the field...

Salmo ekmekciae , new species, is described from the Köprüçay River, a drainage of Mediterranean Sea. It distinguished species in adjacent water by having 9–10 parr marks on flank; 11–13 scale rows between end base adipose-fin and lateral line; 22–24 gill rakers first arch; shorter distance caudal-fin base; slenderer caudal peduncle; body at origin. According to Bayesian, maximum likelihood analyses, cyt b gene resulted coherent trees supported high bootstrap values.

The Mesopotamian spiny eel Mastacembelus mastacembelus is an endemic freshwater fish confined to the Euphrates and Tigris drainages of Mesopotamia. In this study, it was aimed reveal genetic variation in Turkey with samples from distribution regions river basins. For purpose, partial mitochondrial COI gene region (656 bp) sequenced 15 seven populations (Aksu, Merzimen, Karasu, Sinnep, Ambar, Zarova streams main body River). Eight variable nucleotide positions were identified three which...