Research Article
Laboratory Cultivation of Coregonus ussuriensis Berg: A Comprehensive Study on Rearing from Egg to Adult Stage
Figure 1
The embryo development and morphogens change during the larval stage of C. ussuriensis: (a) morula stage, 24 hr after fertilization; (b) early blastocyst stage, 135 hr after fertilization; (c) blastocyst stage, 182 hr after fertilization; (d) gastrulation stage, 216 hr after fertilization; (e) brain differentiation, 292 hr after fertilization; (f) eye sac formation, 341 hr after fertilization; (g) the caudal fin appears, 480 hr after fertilization; (h) larva formation, 1,791 hr after fertilization; (i) development of C. ussuriensis larvae (9–18 day was the time after rupture of membranes, 20–47 day was the time after float up).
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |
(g) |
(h) |
(i) |