Figure 4

(a) Potamotrygon motoro captured in Java, Indonesia: Voucher specimen TL 370 mm, DW 230 mm, left (dorsal view) and right (ventral view); (b) irregular shape of dermal denticles on voucher specimen (60 ×); (c) tricolour ocelli on voucher specimen; (d) curved tail spines on voucher specimen.