发育时间

Time after fertilization

发育阶段

Developmental stage

30 min

2细胞期 2-cell stage

50 min

4细胞期 4-cell stage

1 h 10 min

8细胞期 8-cell stage

1 h 25 min

16细胞期 16-cell stage

1 h 45 min

32细胞期 32-cell stage

2 h

64细胞期 64-cell stage

2 h 30 min

桑葚胚期 Morula stage

3~4 h

高囊胚期 High blastula stage

4~5 h 30 min

低囊胚期 Low blastula stage

5 h 30 min

原肠早期 Early gastrulae stage

9 h

原肠中期 Middle gastrulae stage

11 h 40 min

原肠晚期 Telophase gastrulae stage

15 h 30 min

胚孔关闭 Blastopore closed

25 h

心跳期 Heartbeat period

27~32 h

孵化期 Hatching period

32 h

初孵仔鱼 Newly hatched larvae