Caudal fin development. (A) Newly hatched larva at 0-dph (stage 39) and (B) 2-dph (stage 40). Asterisks indicate developing fin rays. (C) 4-dph, (D) 6-dph, (E) 8-dph (stage 41), and (F) 17-dph (stage 43) larvae. (G) Fluorescent image of a stage 39 larva subjected to whole-mount immunostaining using anti-acetylated tubulin antibody. (H) Bright-field image of a stage 41 larva subjected to double staining with alcian blue and alizarin red. Anterior is to the left and dorsal is up.