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16 December 2021 Testing the “young-species” hypothesis for Alburnus heckeli Battalgil 1944 (Teleostei: Leuciscidae) inhabiting Lake Hazar, Turkey
Erdoğan Çiçek, Soheil Eagderi, Sevil Sungur, Burak Secer
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Abstract

Alburnus heckeli Battalgil 1944 is endemic to Lake Hazar in the Euphrates-Tigris River system (Persian Gulf basin) and shares morphological and molecular characters with the widespread species A. sellal Heckel 1843, except putatively for the number of gill rakers. This study compared morphometric and meristic data for A. heckeli with lentic and lotic populations of A. sellal. The only significant difference was in the number of gill rakers in lotic populations of A. sellal (10–25) vs. lentic populations of A. sellal (26–35) and A. heckeli (28–35). Although our results are consistent with the interpretation of A. heckeli and A. sellal as “young species”, the amiguity of available morphological and molecular sequence data suggest that A. heckeli is best treated as a junior synonym of A. sellal until reliable differences are found.

©2021 by the Academy of Natural Sciences of Drexel University
Erdoğan Çiçek, Soheil Eagderi, Sevil Sungur, and Burak Secer "Testing the “young-species” hypothesis for Alburnus heckeli Battalgil 1944 (Teleostei: Leuciscidae) inhabiting Lake Hazar, Turkey," Proceedings of the Academy of Natural Sciences of Philadelphia 167(1), 245-252, (16 December 2021). https://doi.org/10.1635/053.167.0113
Received: 11 December 2020; Accepted: 20 October 2021; Published: 16 December 2021
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KEYWORDS
barcode
cytochrome oxidase I
gill rakers
Persian Gulf basin
taxonomy
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