FIGURE 27 in An Unusual, Dwarf New Species Of Neotropical Freshwater Stingray, Plesiotrygon Nana Sp. Nov., From The Upper And Mid Amazon Basin: The Second Species Of Plesiotrygon (Chondrichthyes: Potamotrygonidae)

FIGURE 27: Anterior disc and head region depicting relative proportions of eyes and spiracles in (A) subadult male paratype of Plesiotrygon nana sp. nov. (MUSM 40243, 174 mm DL, 170 mm DW), and (B) juvenile male Plesiotrygon cf. iwamae (MUSM 39977, 221 mm DL, 211 mm DW). Scale bar in A = 1 cm; B = 2 cm.