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References for identification:
Robert Patzner (http://www.patzner.sbg.ac.at/Gobiidae/Bue_aff.htm)
Patrick Louisy and other (http://www.fish-watch.org/index.php?fn=folio&FolioID=417&searchfich=Buenia%20affinis&rf&lang=fr&search_stat=1)
Fish Base Team (https://www.fishbase.ca/photos/ThumbnailsSummary.php?Genus=Buenia&Species=affinis)
etc...