U.S. Department 

 of Commerce 



Seattle, Washington 



Volume 103 

 Number 1 

 January 2005 



The conclusions and opinions expressed 

 in Fishery Bulletin 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 proprietary product or pro- 

 prietary 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 material 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. 



Fishery 

 Bulletin 



Contents 



f t B 1 ttJ° 5 



Articles 



1-14 Bochenek, Eleanor A., Eric N. Powell, Allison J. Bonner, 



and Sarah E. Banta 



An assessment of scup (Stenotomus chrysops) and black sea 

 bass (Centropristas striata) discards in the directed otter trawl 

 fisheries in the Mid-Atlantic Bight 



15-22 Cooper, Daniel W., Katherine E. Pearson, and 



Donald R. Gunderson 



Fecundity of shortspine thornyhead (Sebastolobus alascanus) 

 and longspine thornyhead (5. altivelis) (Scorpaenidae) from 

 the northeastern Pacific Ocean, determined by stereological 

 and gravimetric techniques 



23-33 DeMartini, Edward E., Marti L. McCracken, 



Robert B. Moffitt, and Jerry A. Wetherall 



Relative pleopod length as an indicator of size at 

 sexual maturity in slipper (.Scyllarides squammosus) and 

 spiny Hawaiian (Panu/irus marginatus) lobsters 



34-51 Fisher, Joseph P., and William G. Pearcy 



Seasonal changes in growth of coho salmon 

 (Oncorhynchus kisutch) off Oregon and Washington 

 and concurrent changes in the spacing of scale circuli 



52-62 Groeneveld, Johan C, Jimmy P. Khanyile, and 



David S. Schoeman 



Escapement of the Cape rock lobster (Jasus lalandu) through 

 the mesh and entrance of commercial traps 



63-70 Grusha, Donna S., and Mark R. Patterson 



Quantification of drag and lift imposed by pop-up satellite 

 archival tags and estimation of the metabolic cost to cownose 

 rays (Rhinoptera bonasus) 



71-83 Harvey, Chris J. 



Effects of El Nino events on energy demand and 

 egg production of rockfish (Scorpaenidae: Sebastes). 

 a bioenergetics approach 



