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| EMW id | EMW ref. id | FAO species category | Species | Scientific name | Lower EMW (g) | Upper EMW (g) | Reference indicates lower or upper EMW figure? | EMW Method | Length-weight calculations | Country | Link to reference (external site) | Reference document | Reference url | Link to FishBase.org Species Summary (external site) | ||
| EMW-129 | 1 | Nile tilapia | Nile tilapia | Oreochromis niloticus | 250.00 | 350.00 | Both | Weight or weight range | NONE | P192. "There are two cage-farming companies in Ghana: Crystal Lake Fish Ltd. and Tropo Farms Ltd. Both are situated in Lake Volta, one of the world's largest man-made lakes. Established in the late 1990s in the Asuogyaman District of Ghana's Eastern Region, Crystal Lake Fish Ltd. grows indigenous tilapia (O. niloticus) in ponds and concrete tanks (breeding and juveniles) and cages (grow-out to market size)..." P193. "Oreochromis niloticus is indigenous in Ghana... Tropo has a pilot-scale cage site with eight cages of 40 m3 each...Juveniles of 10g are transferred to the cage site from Tropo's pond site... and are currently being grown to a market size of around 350g..." P194 "Tropo's market size is around 350 g, while at Crystal Lake, the fish are grown to market size of around 250 g...." | Data from this reference document has been used for the following ref ids pertaining to this EMW: 1,2,3,4. | Ghana | More info. | "Cage aquaculture: regional reviews and global overview". FAO fisheries Technical Paper 498. Edited by Matthias Halwart, Doris Soto, J. Richard Arthur. FAO 2007. | More info | More info. |