Funding for this research was provided by:
Administraţia Naţională “Apele Române” (57/05.10.2017)
Text and Data Mining valid from 2020-05-07
Received: 17 January 2020
Accepted: 27 April 2020
First Online: 7 May 2020
Ethics approval and consent to participate
: The manuscript is original, has not been published, and is not currently under consideration by another journal!All the authors of the submitted manuscript: respect all the professional and editorial ethic general rules; agree to the terms of Springer Open Licence Agreement. The studied fish were not harmed and released in their natural habitat after identification, after the sampling.
: All the authors of the submitted manuscript consent to participate as co-authors.
: The authors declare that they have no competing interests.