Juvenile transformation in Notopterus notopterus. (a) Stage 33: early juvenile in larger magnification, note the appearance of lateral line and short tubular nostrils, day 52; (b) Stage 34: stripe colored body of juvenile, day 70; (c) Stage 35: accentuated stripe pattern alongside the body, day 80; arrow points to the base of the developed translucent pectoral fin, barely visible; white arrowheads show the anterior nostrils; black arrowhead points to the genital papilla. Scale bar = 10 mm.