Age, 19.7 days.

Standard length, 5.00 mm. Length of caudal fin, 1.34 mm. Mesencephalon width, 1.15 mm. Depth of yolk, 0.52 mm.

Remnants of the “neck strap” are still visible, the yolk mass is greatly reduced and flattened, and the cephalic flexure is almost completely absent.