Development of captive broodstock of the grey mullet, Mugil cephalus (L)

Abstract

A captive broodstock of the grey mullet Mugil cephalus has been successfully developed at Muttukadu experimental station of the Central Institute of Brackishwater Aquaculture. A stock of 72 sub-adult and adult fish in the size range of 290-450 mm/300-1,200 g procured from the commercial catches were maintained in 100 tonne capacity RCC tanks hom January '96. During 1996, about 20% of the stock, both males and females attained final maturity. In 1997, about 60% of the females and 80% of the males attained final maturity In mature females ova diameter of the matured oocytes ranged from 525 to 614 pa and the mature males were in oozing stage.