Stage 40 1st fry stage
Drown by T. Iwamatsu
(Upper Fig.: Abbr. cn: cornea, gb: gallbladder, gp: guanophore, l: lens, ml: membrane labyrinth, op:, olfactory pit, sp: spleen)
(Middle Fig.: Abbr. ag: artery globe, g: gill, ha: atrium of heart, hb: hind-brain, mf: membranous fin, mv: median york vein, pf: pectoral fin)
(Lower Fig.: Abbr. bv: blood vessel, gt: gut tube, lj: lower law, lv: liver, mf: membranous fin, no: notochord, od: oil droplet, ot: otolith, sc: spinal cord, sp: spleen, uj: upper jaw)
Stage 40 1st fry stage:
This period extends from hatching until fin rays appear in the caudal and pectoral fins (total length about 4.5 mm).