U.S. Department 
of Commerce 
Seattle, Washington 
Volume 108 
Number 3 
July 2010 
Fishery 
Bulletin 
Contents 
Articles 
251-267 Hobbs, Roderick C, and Janice M. Waite 
Abundance of harbor porpoise ( Phocoeno phocoena) in three Alaskan 
regions, corrected for observer errors due to perception bias and species 
misidentification, and corrected for animals submerged from view 
268-281 Poisson, Francois, Jean-Claude Gaertner, Marc Taquet, 
Jean-Pierre Durbec, and Keith Bigelow 
Effects of lunar cycle and fishing operations on longline-caught pelagic 
fish: fishing performance, capture time, and survival of fish 
The National Marine Fisheries 
Service (NMFS) does not approve, 
recommend, or endorse any proprie- 
tary product or proprietary material 
mentioned in this publication. No 
reference shall be made to NMFS, 
or to this publication furnished by 
NMFS, in any advertising or sales 
promotion which would indicate or 
imply that NMFS approves, recom- 
mends, or endorses any proprietary 
product or proprietary 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. 
The NMFS Scientific Publications 
Office is not responsible for the con- 
tents of the articles or for the stan- 
dard of English used in them. 
282-304 McAllister, Murdoch K., Richard D. Stanley, and Paul Starr 
Using experiments and expert judgment to model catchability 
of Pacific rockfish in trawl surveys, with application to bocaccio 
(Sebastes paucispmis) off British Columbia 
305-322 Patrick, Wesley S., Paul Spencer, Jason Link, Jason Cope, John Field, 
Donald Kobayashi, Peter Lawson, Todd Gedamke, Enric Cortes, 
Olav Ormseth, Keith Bigelow, and William Overholtz 
Using productivity and susceptibility indices to assess the vulnerability 
of United States fish stocks to overfishing 
323-345 Munroe, Thomas A., and Steve W. Ross 
Distribution and life history of two diminutive flatfishes, 
Citharichthys gymnorhinus and C. cornutus (Pleuronectiformes: 
Paralichthyidae), in the western North Atlantic 
