U.S. Department 
of Commerce 
Seattle, Washington 
Volume 107 
Number 1 
January 2009 
Fishery 
Bulletin 
Contents 
Articles 
1-12 Stehlik, Linda L. 
Effects of seasonal change on activity rhythms and 
swimming behavior of age-0 bluefish (Pomotomus saltatrix) 
and a description of gliding behavior 
Companion papers 
13-23 Anderson, Joel D., Dusty L. McDonald, 
Glen R. Sutton, and William J. Karel 
Evolutionary associations between sand seatrout 
(Cynoscion arenanus) and silver seatrout (C. nothus) 
inferred from morphological characters, 
mitochondrial DNA, and microsatellite markers 
24-35 
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 45 — 56 
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. 
McDonald, Dusty L., Joel D. Anderson, 
Britt W. Bumguardner, Fernando Martinez-Andrade, 
and Josh O. Harper 
Spatial and seasonal abundance of sand seatrout 
( Cynoscion arenanus) and silver seatrout (C. nothus) 
off the coast of Texas, determined with twenty years 
of data (1987-2006) 
Tolan, James M., and Mark Fisher 
Biological response to changes in climate patterns: 
population increases of gray snapper (Lutjanus griseus) 
in Texas bays and estuaries 
Candy, John R., R. Gregory Bonnell, Terry D. Beacham, 
Colin G. Wallace, and Ruth E. Withler 
Dividing population genetic distance data with the software 
Partitioning Optimization with Restricted Growth Strings 
(PORGS): an application for Chinook salmon 
( Oncorhynchus tshawytscha), Vancouver Island, British Columbia 
