TY - JOUR T1 - Early morphological variation and induction of phenotypic plasticity in Patagonian pejerrey JO - Neotropical Ichthyology A1 - Crichigno, Sonia A. A1 - Battini, Miguel A. A1 - Cussac, VĂ­ctor E. SN - 1679-6225 UL - 10.1590/S1679-62252012005000007 VL - 10 Y1 - 2012 PB - Brasil ER -