I 
U,S. Department 
of Commerce 
Seattle, Washington 
¥olyme 115 
Number 1 
January 2017 
Fishery 
Bulletin 
Contents 
Artkies 
1-12 Steinhorst, Kirk, Timothy Copeland, Michael W. Ackerman, 
William C. Schrader, and Eric C. Anderson 
Abundance estimates and confidence intervals for the run composition of 
returning salmonids 
13-26 Lopez Quintero, Freddy Omar, Javier E. Contreras-Reyes, Rodrigo Wiff, 
and Reinaldo B. Arellano-Valle 
Flexible Bayesian analysis of the von Bertalanffy growth function with the 
use of a log-skew-f distribution 
27-41 Dapp, Derek R., Charlie Huveneers, Terence I. Walker, John Mandeiman, 
David W. Kerstetter, and Richard D. Reina 
Using logbook data to determine the immediate mortality of blue sharks 
(Prionoce glauca) and tiger sharks (Galeocerdo cuvier) caught in the 
commercial U.S. pelagic longline fishery 
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, rec- 
ommends, or endorses any propri- 
etary product or proprietary mate- 
rial mentioned herein, or which has 
as its purpose an intent to cause 
directly or indirectly the advertised 
product to be used or purchased be- 
cause of this NMFS publication. 
The NMFS Scientific Publications 
Office is not responsible for the con- 
tents of the articles. 
Short contribution 
42-49 Kilada, Raouf, Joel B. Webb, Kevin W. McNeel, Laura M. Slater, Quinn 
Smith, and Jayde Ferguson 
Preliminary assessment of a direct age-determination method for 3 
commercially important crustaceans from Alaska 
Articles 
50-59 Driggers III, William B., Matthew D. Campbell, Kristin M. Hannan, 
Eric R. Hoffmayer, Christian M. Jones, Lisa M. Jones, and Adam G. Pollack 
Influence of bait type on catch rates of predatory fish species on bottom 
longline gear in the northern Gulf of Mexico 
