Table 1.

Gonadal structures and morphological sexual characteristics of pectoral fins in 2-y-old wild-type fish and dnd morphants

		Wild-type		dnd morphant
	Bony plates at pectoral fin	Presence	Absence	Presence	Absence
Typical gonad	Testis	27	0	2	0
	Ovary	0	15	0	1
Atypical gonad	Tube	3	0	31	0
	Ribbon	1	2	1	22