
Hucho hucho (Linnaeus, 1758) - Danube taimen - En B2ab (ii, iii) (Freyhof, Kottelat, 2008)
Hucho taimen (Pallas, 1773) - Siberian, common taimen - Vu A2bcd (Hogan, Jensen, 2012)
Hucho bleekery (Kimura, 1934) - Sychuan taimen - Cr A2cd (Song, 2012)
Hucho ishikawae (Mori, 1928) - Korean taimen - DD (Rand, 2012)
Table of meristic (calculating) signs of five species of taymens:

squ – number of cross rows of scales;
ll – number scales in a sideline;
sp. br. – number of branchiate stamens;
r. br. – number of branchiate beams;
p. c. – number of piloric appendages;
vert. – number of vertebras;
D - number of beams in a dorsal fin;
A - number of beams in an anal fin.
Holcik Ju. 1982. Review and evolution of Hucho (Salmonidae)
Witkowski A., Kapusta A. 2013. Preface: Proceedings of the II International Hucho Symposium. Species of the genus Hucho Gunther, 1866 - population status, conservation, biology, ecology, genetics, and culture, Lopuszna, Poland, September 19-22, 2012
Rand P. S. 2013. Current global status of taimen and the need to implement aggresive conservation measures to avoid population and species-level extinction
Wang F., Zhang Y., Yin J. 2009. A preliminary comparison of the biology character among Hucho bleekeri, Hucho taimen and Hucho ishikawai Mori (Chinese with English abstract)
Wang F., Zhang Y., Yin J. 2009. A preliminary comparison of the biology character among Hucho bleekeri, Hucho taimen and Hucho ishikawaii Mori (translated by Manu Esteve)