Screen 4: Reference data detail for: EMW-132 (reference id: 2 )

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EMW idEMW ref. idFAO species categorySpeciesScientific nameLower EMW (g)Upper EMW (g)Reference indicates lower or upper EMW figure?EMW MethodLength-weight calculations*** Fish Size Quote ****** Explanatory Notes ***CountryLink to reference (external site)Reference documentReference urlLink to Species Summary (external site)
EMW-1322North African catfishNorth African catfishClarias gariepinus500.00500.00BothAverage weight or weight rangeNONE?African catfish were unofficially introduced into Nepal in 1996-97 by fry traders from India and Bangladesh. Their culture has been expanding rapidly since early 2000s?With stocking rates of 1 g fry at 40-80/m3, harvests of 200-300 g fish with 30-50 percent survival rates are recorded after 5-7 months rearing. ..

In Nigeria, the current selling price averages USD 3.5/kg. In the central Africa region, namely in Cameroon, Gabon or Democratic Republic of Congo, this fish is very popular, being cooked in many forms of soups, made of some forest seeds with specific tastes and medicinal properties. The fresh fish are usually sold live in the markets of major cities at an average size of 500 g for USD 3.3-5.2/kg.
60% of production tonnage for this FAO species category in 2010 is for Nigeria and none for Nepal.NigeriaMore info.Cultured Aquatic Species Information Programme - Clarias gariepinusMore infoMore info.

This screen gives details for an individual reference obtained in estimating a mean weight for this species.

The information obtained from this reference to derive an estimated mean weight is in the *** fish size quote *** and/or *** Explanatory notes *** column. Note that you may need to search the document using key words in the '*** Fish Size Quote ***' or *** Explanatory notes *** column to find the relevant fish size data. To view the reference document itself (if available online): scroll right and click on 'More info' in the 'Link to reference' column, if available. If the reference has moved, you may find it by entering part/all of the title into google.

Where the information obtained from the reference is a fish length, the calculations performed to obtain a weight may be viewed by clicking on 'More info' in the 'Length-weight calculations' column.

To view the 'Species Summary' page on for this species, click on 'More info' in the 'Link to Species Summary ' column.

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