Table 9 The re-separation frequency of dorsal fin on marine medaka, Oryzias dancena between male and female^*

Re-separation type	D1	D2	D3	D4	D5	D6		D7
Male
1	0	55	70	80	35	30		55
2	0	0	5	0	10	0		20
3	0	40	25	20	20	20		0
4	0	5	0	0	35	40		0
5	100	0	0	0	0	5		25
Female
1	0	95	55	40	15	5		55
2	0	0	10	15	10	15		20
3	0	5	15	5	5	0		0
4	0	0	20	40	70	80		30
5	100	0	0	0	0	0		0

^*The sample numbers of males and females are 30 and 30, respectively. Data were converted into a percentage.