TY - JOUR T1 - Critical thermal maxima and minima of the platyfish Xiphophorus maculatus Günther (Poecillidae, Cyprinodontiformes): a tropical species of ornamental freshwater fish JO - Revista Brasileira de Zoologia A1 - Prodocimo, Viviane A1 - Freire, Carolina Arruda SN - 0101-8175 UL - 10.1590/S0101-81752001000500007 VL - 18 Y1 - 2001 PB - Brasil ER -