Figure 12

Muscular composition of serial units in the dorsal and anal fins of the zebrafish at 6.4 mm SL. Erectors and depressors of the dorsal (a) and anal (b) fins form the deep muscle layer, covered with superficial inclinators (c) at 6.4 mm SL.
Muscular composition of serial units in the dorsal and anal fins of the zebrafish at 6.4 mm SL. Erectors and depressors of the dorsal (a) and anal (b) fins form the deep muscle layer, covered with superficial inclinators (c) at 6.4 mm SL.