Erratum to: Hydrobiologia (2015) 757:185–196 DOI 10.1007/s10750-015-2251-z

Due to an unfortunate turn of events, Fig. 2 appeared incorrectly in the original publication causing the caption to mismatch the figure. The correct image and its caption are published here and should be treated as definitive by the reader.

Fig. 2
figure 2

Electrophoretogram of TYR gene fragments for different sturgeons, indicating the restriction enzyme cutting effects of the gene by Nco I. Dabry’s sturgeon (D), Chinese sturgeon (C), hybrid Acipenser dabryanus-baerrii (H), A. schrenckii (S), A. baerrii (B), A. gueldenstaedtii (G), A. ruthenus (R), H. dauricus (K); 1 after digestion, 2 before digestion by Nco I. M Marker