Cobitis puncticulata, Erk'akan, Atalay-Ekmekçi & Nalbant, 1998

Freyhof, Jörg, Bayçelebi, Esra & Geiger, Matthias, 2018, Review of the genus Cobitis in the Middle East, with the description of eight new species (Teleostei: Cobitidae), Zootaxa 4535 (1), pp. 1-75: 28

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Cobitis puncticulata


Cobitis puncticulata  Erk'akan, Atalay-Ekmekçi & Nalbant, 1998

( Fig. 20View FIGURE 20)

Cobitis puncticulata  Erk'akan, Atalay-Ekmekçi & Nalbant, 1998: 12, fig. 4 (type locality: Turkey: Karaderetream [Karade stream?] ath [at] outlet of Manyas (Kus) Lake).

Material examined. FSJF 1670, 1, 59 mm SL; Greece: stream at Lira , 41.072 26.267  .— FSJF 1986, 1, 64 mm SL; Turkey: Bursa prov.: Çapraz River, outflow of Lake Ulubat , 40.205 28.432  .

Material used in molecular genetic analysis. FSJF DNA- 180; Turkey: Bursa prov.: Çapraz River, outflow of Lake Ulubat, 40.205 28.432. (GenBank accession numbers: KJ 552795View Materials, KJ553296View Materials, BOLD EUFWF 250-18)..

Diagnosis. Cobitis puncticulata  is distinguished from all other Cobitis  species in the Middle East by the unique combination of one lamina circularis in the male and very small, indistinct or confluent blotches in Z2 and Z4 (vs. well separated and large), flank pigmented below Z4 (vs. unpigmented) and a brownish body (vs. pale yellowish or whitish).

Distribution. Cobitis puncticulata  is known from the Lakes Manyas and Ulubat basins, which both are a part of the Simav River drainage in Turkey and from the lower Maritza drainage in Greece ( Freyhof et al. 2008).

Remarks. Based on DNA barcoding it is well separated from all other included Cobitis  and by a minimum K2P distance of 2.2% to C. tanaitica  . Together with the two C. taenia  specimens from the Simav drainage with identical and nearly identical COI haplotypes it was recovered as distinct PTP entity.

Two out of three Cobitis  individuals sequenced from the stream Sakar in the Simav River drainage (FSJF DNA-2912) were found to have COI haplotypes identical and nearly identical with C. puncticulata  and one individual sequenced has a COI haplotype of C. taenia  . All three voucher individuals as well as the six other Cobitis  in the same lot ( FFR 05530View Materials) are identified as C. taenia  . As both species occur in sympatry, often syntopically (own observation), we interpret the occurrence of COI haplotypes of C. puncticulata  in C. taenia  as a case of introgressive hybridisation.














Cobitis puncticulata

Freyhof, Jörg, Bayçelebi, Esra & Geiger, Matthias 2018

Cobitis puncticulata

Erk'akan, F. & Atalay-Ekmekci, F. G. & Nalbant, T. T. 1998: 12