Kaliwatan sa bakukangon ang Hydraena nike.^[1] Una ning gihulagway ni Manfred A. Jäch ni adtong 1995.^[2] Ang Hydraena nike sakop sa kahenera nga Hydraena, ug kabanay nga Hydraenidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Gresya
• tingali Turkeya

Walay nalista nga matang nga sama niini.^[1]

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 53252604. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Jäch, M. A. (1995) The Hydraena (Haenydra) gracilis Germar species complex (Insecta: Coleoptera: Hydraenidae). , Annalen des Naturhistorischen Museums in Wien, 97B: 177-190.
3. ↑ Newton A.F. (2019). StaphBase: Staphyliniformia world catalog database (version Nov 2018). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.