Stage 34 (5 days 1 hr) Pectoral fin blood circulation stage
Drown by T. Iwamatsu
(Abbr. ab: swim (air) bladder, ot: otolith, pf: pectoral fin)
Stage 34 (5 days 1 hr) Pectoral fin blood circulation stage:
The tip of the caudal fin has several melanophores and reaches the eye. Blood circulation is apparent in the pectoral fins, which frequently move (flutter). The choroidea of the eye becomes so black that it is almost impervious to light.