M. Mezzera et al., DISCRIMINATION OF NATIVE AND INTRODUCED BROWN TROUT IN THE RIVER DOUBS (RHONE DRAINAGE) BY NUMBER AND SHAPE OF PARR MARKS, Journal of Fish Biology, 50(3), 1997, pp. 672-677
Significant differences in the number and shape of parr marks were fou
nd between native, introduced hatchery and hybrid brown trout parr in
the River Doubs. Similar differences in number of parr marks were obse
rved in selective cross-breedings. (C) 1997 The Fisheries Society of t
he British Isles.