Fig. (2) In situ hybridization of zbmp3 in developing zebrafish. (a) Lateral view of a 1 dpf zebrafish. Arrow indicates otic vesicle. (b) Dorsal view of a 2 dpf zebrafish. Arrows indicate otic vesicles and arrowheads show pectoral fins. (c) Lateral view of a 2 dpf zebrafish. Arrow indicates otic vesicle, black arrowhead shows opercle and branchiostegal ray, and white arrowhead shows pectoral fin. (d) Lateral view of a 3 dpf zebrafish. Arrow indicates otic vesicle. (e) Dorsal view of a 3 dpf zebrafish. Arrows indicate otic vesicles. (f) Lateral view of a 5 dpf zebrafish. Arrow indicates otic vesicle. (g) Dorsal view of a 5 dpf zebrafish. Arrows indicate otic vesicles.