Screen 4: Reference data detail for: EMW-215 (reference id: 5 )

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EMW idEMW ref. idFAO species categorySpeciesScientific nameLower EMW (g)Upper EMW (g)Reference indicates lower or upper EMW figure?EMW MethodSimilar species EMW idLength-weight calculations*** Fish Size Quote ****** Explanatory Notes ***Link to reference (external site)Reference documentReference url (or book)Link to Species Summary (external site)Species not given ind
EMW-2155Pacific chub mackerelPacific chub mackerelScomber japonicus100.00500.00BothWeight range (normal weight range)NONE"mackerel whole round

Mackerel WR(Scomber Japonicus) size: 41-45PCS/10KG 180-250g(average weight 220g) Size: 7-8pcs/kg 8-10pcs/kg Package: 10kgs/carton Caught Method: Purse Net Caught Season: from July Origin: China. Size:300-500g Caught Method:Purse Net Freezing Method:Frozen in cold sea Origin:China"
Size ranges are

size: 41-45PCS/10KG: 180g to 250g.

Size: 7-8pcs/kg 8-10pcs/kg gives an average weight of 100 - 143g


The overall size range is taken as 100-500g
More info."Mackerel whole round - trade leads, exporters, manufacturers and wholesalers" webpage.

"mackerel whole round"
More 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.

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. Very occasionally this link displays the home page instead of the species summary page. If this happens, enter the scientific name in the 'Genus + Species' search field to search for this species.

For explanation of the columns in the above table click on Help