Broadhurst and Kennedy: Composite square-mesh panel in codends for reducing bycatch in an Australian prawn-trawl fishery 657 
Figure 3 
Differences in mean catches (+ SE) between the control and composite-panel codends at 
each of the four ports: the weights of (A) prawns and (B) discarded bycatch; and the num- 
bers of (C) retained octopus, (D) retained red mullet, (E) retained red spot whiting, (F) dis- 
carded red spot whiting, (G) discarded stout whiting, (H) discarded john dory, (I) discarded 
eastern blue spot flathead, (J) discarded leather jacket, (K) discarded red bigeye, (L) discarded 
flute fish, (M) discarded blackeyes, and (N) discarded gurnard. ** = significant (P<0.01); * = 
significant (P<0.05); PS = Port Stephens ; SWR = Southwest Rocks; Y = Yamba; and B = Ballina. 
Two-sample Kolmogorov-Smimov tests, comparing 
the size-frequency distributions for prawns, discarded 
red spot whiting, and retained red mullet measured 
from each sample at each site showed no differences in 
the relative size compositions of fish retained by the 
two codends (Figs. 4, 5, and 6C). There were no signifi- 
