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Screen 4: Reference data detail for: EMW-317 (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 MethodSimilar species EMW idLength-weight calculations*** Fish Size Quote ****** Explanatory Notes ***Link to reference (external site)Reference documentReference url (or book)Link to FishBase.org Species Summary (external site)Species not given ind
EMW-3172Skipjack tunaSkipjack tunaKatsuwonus pelamis7,709.509,070.00BothAverage weight ("average","mean")NONESkipjack Tuna.

From fishbase.org, all common names of "Skipjack Tuna" refer to Katsuwonus pelamis.

Table 4. Average whole weight size of landed fish for the major species from the Hawaii-based domestic longline fishery.

The unit of weight is assumed to be pounds.

Average weight for skipjack tuna:
1993 - 17 lb
1994 - 18 lb
1995 - 18 lb
1996 - 17 lb
1997 - 20 lb.

The average weight for each year 1993-1997 (latest 5 years) ranges from 17-20 lb = 7709.50 - 9070.00g.
"DIRECTOR'S REPORT TO THE 50TH TUNA CONFERENCE ON TUNA AND TUNA-RELATED ACTIVITIES AT THE SOUTHWEST FISHERIES SCIENCE CENTER FOR THE PERIOD MAY 1, 1998, TO APRIL 30, 1999"

Southwset Fisheries Science Centre website
More infoMore info.1

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 fishbase.org for this species, click on 'More info' in the 'Link to FishBase.org Species Summary ' column. Very occasionally this link displays the fishbase.org home page instead of the species summary page. If this happens, enter the scientific name in the 'Genus + Species' search field to search fishbase.org for this species.

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