Credit: Fadhili Ruzika (Tanzania) The photo shows a greenhouse-type hatchery for Nile tilapia, Oreochromis niloticus. The hatchery has been constructed at the Ruhila Aquaculture Development Center. It may be of interest to know, this type of tilapia hatchery has been designed by a colleague who attended an earlier EICA training course in 2010. The hatchery …