U.S. Department 

 of Commerce 



Seattle, Washington 



Volume 101 

 Number 1 

 January 2003 



Fishery 

 Bulletin 



JAN 2 1 2003 



Contents 



Articles 



1 -9 Blaylock, Reginald B., Leo Margolis, and John C. Holmes 



The use of parasites in discriminating stocks of Pacific halibut 

 (Hippoglossus stenolepis) in the northeast Pacific 



10-21 Comyns, Bruce H., Richard F. Shaw, and 



Joanne Lyczkowski-Shultz 



Small-scale spatial and temporal variability in growth and mortality of 

 fish larvae in the subtropical northcentral Gulf of Mexico: implications 

 for assessing recruitment success 



22-31 DeMartini, Edward E., Gerard T. DiNardo, and 



Happy A. Williams 



Temporal changes in population density, fecundity, and egg size of 

 the Hawaiian spiny lobster (Panulirus marginatus) at Necker Bank, 

 Northwestern Hawaiian Islands 



The conclusions and opinions expressed 

 in Fishery Bullelm are solely those of the 

 authors and do not represent the official 

 position of the National Marine Fisher- 

 ies Service (NOAA) or any other agency 

 or institution- 



The National Marine Fisheries Service 

 iNMFS) does not approve, recommend, or 

 endorse any propnetary product or pro- 

 pnetary material mentioned in this pub- 

 lication. No reference shall be made to 

 NMFS, or to this publication furnished by 

 NMFS, in any advertising or sales pro- 

 motion which would indicate or imply 

 that NMFS approves, recommends, or 

 endorses any proprietary product or pro- 

 prietary matenal mentioned herein, or 

 which has as its purpose an intent to 

 cause directly or indirectly the advertised 

 product to be used or purchased because 

 of this NMFS publication. 



32-43 Friedlander, Alan M., and David A. Ziemann 



Impact of hatchery releases on the recreational fishery for Pacific 

 threadfin (Polydactylus sexfilis) in Hawaii 



44-57 Hart, Deborah R. 



Yield- and biomass-per-recruit analysis for rotational fisheries, with an 

 application to the Atlantic sea scallop (Placopecten magellanicus) 



58-74 Hearn, William S., and Thomas Polacheck 



Estimating long-term growth-rate changes of southern bluefin tuna 

 (Thunnus maccoyii) from two periods of tag-return data 



75-88 Loefer, Joshua K., and George R. Sedberry 



Life history of the Atlantic sharpnose shark (Rhizoprionodon 

 terraenovae) (Richardson, 1836) off the southeastern United States 



