Figure 14 from: Yanwirsal H, Bartsch P, Kirschbaum F (2017) Reproduction and development of the asian bronze featherback Notopterus notopterus (Pallas, 1769) (Osteoglossiformes, Notopteridae) in captivity. Zoosystematics and Evolution 93(2): 299-324. https://doi.org/10.3897/zse.93.13341

Figure 14 - Late embryonic and larval development in Notopterus notopterus. (a) Stage 28: pronounced regression of median fin fold, day 12; note almost completely reduced yolk sac (ys);pectoral fin, arrow; (b) Stage 29: late embryonic phase day 14, pectoral fin buds of both sides seen; (c) Stage 30: beginning of larval period, extrinsic feeding, developed and gas-filled swim bladder, day 17; (d) Stage 31: pigmented iris and cornea are very distinct, day 24; (e) Stage 32: anal and caudal lobe formation, day 36; arrowheads point to the leading edge of the gradually developing dorsal fin. Scale bar = 5 mm.