Template:Medaka timeline table

Stage	Time	Event
0		Unfertilized eggs
1	3 min	Activated egg
2		Blastodisc
3	1 h 5 min	2 cell
4	1 h 45 min	4 cell
5	2 h 20 min	8 cell
6	2 h 55 min	16 cell
7	3 h 30 min	32 cell
8	4 h 5 min	Early morula
9	5 h 15 min	Late morula
10	6 h 30 min	Early blastula
11	8 h 15 min	Late blastula
12	10 h 20 min	Pre-early gastrula
13	13 h	Early gastrula
14	15 h	Pre-mid-gastrula
15	17 h 30 min	Mid-gastrula
16	21 h	Late gastrula
17	1 day 1 h	Early neurula (head formation)
18	1 day 2 h	Late neurula (optic bud formation)
19	1 day 3 h 30 min	2 somite
20	1 day 7 h 30 min	4 somite
21	1 day 10 h	6 somite (brain regionalization and otic vesicle formation)
22	1 day 14 h	9 somite (appearance of heart anlage)
23	1 day 17 h	12 somite (formation of tubular heart)
24	1 day 20 h	16 somite (start of heart beating)
25	2 days 2 h	18–19 somite (onset of blood circulation)
26	2 days 6 h	22 somite (development of guanophores and vacuolization of the notochord)
27	2 days 10 h	24 somite (appearance of pectoral fin bud)
28	2 days 16 h	30 somite (onset of retinal pigmentation)
29	3 days 2 h	34 somite (internal ear formation)
30	3 days 10 h	35 somite (blood vessel development)
31	3 days 23 h	Gill blood vessel formation
32	4 days 5 h	Somite completion (formation of pronephros and air bladder)
33	4 days 10 h	at which notochord vacuolization is completed
34	5 days 1 h	Pectoral fin blood circulation
35	5 days 12 h	at which visceral blood vessels form
36	6 days	Heart development
37	7 days	Pericardial cavity formation
38	8 days	Spleen development (differentiation of caudal fin begins)
39	9 days	Hatching
40	1st fry
41
42
43
44
45