740 
Fishery Bulletin 95(4), 1997 
individuals. Therefore, red porgy in deeper water may 
experience reduced fishing mortality in comparision 
with those in shallower waters. In shallower water, 
fishermen reduce hook and bait size to catch smaller 
fishes, and more red porgy of all sizes are landed. 
Alternatively, the increase in size and age with depth 
Table 6 
Sampling data for 1988-94, collected from the RV Oregon (1988-89) and the RV Palmetto (1990-94). 
Hook-and-line 
Year 
Trap collections 
No. porgy 
collections 
No. porgy 
No. processed 
No. aged 
1988 
84 
294 
261 
170 
427 
371 
1989 
65 
248 
198 
174 
388 
345 
1990 
348 
957 
111 
44 
997 
545 
1991 
306 
830 
33 
25 
519 
426 
1992 
324 
1,107 
25 
1 
494 
419 
1993 
414 
722 
52 
45 
538 
385 
1994 
370 
1,107 
38 
11 
986 
444 
Total 
1,911 
5,265 
718 
470 
4,349 
2,935 
Table 7 
Mean observed fork length (mm) at age for red porgy (standard error in parenthesis). 
Age (yr) 
1988 
1989 
1990 
1991 
1992 
1993 
1994 
1 
191 (2) 
203 (3) 
197 (3) 
200(2) 
190(2) 
206 (3) 
186(1) 
rc=124 
77 = 70 
77=78 
77=126 
77=78 
77=70 
77=53 
2 
256(2) 
248(2) 
234 (2) 
237 (2) 
228 (2) 
245 (3) 
253 (2) 
t? = 107 
77=149 
77=218 
77 = 110 
77=119 
77=78 
77 = 101 
3 
284 (3) 
284 (4) 
264(2) 
274(3) 
261 (3) 
267 (3) 
264(3) 
n = 95 
77=54 
77 = 180 
77=71 
77 = 72 
77 = 104 
77=50 
4 
328 (7) 
305 (5) 
295 (5) 
282 (4) 
287 (3) 
290 (4) 
283 (3) 
77 = 26 
77=39 
77 = 26 
77=70 
77=64 
77=59 
77 = 106 
5 
386 (34) 
328 (6) 
314(10) 
303 (8) 
305 (4) 
308 (5) 
297 (3) 
n= 2 
77 = 18 
77=16 
77 = 17 
77=43 
77=35 
77=86 
6 
334(7) 
305 (34) 
317 (13) 
335 (7) 
310 (7) 
305 (5) 
313 (5) 
71 = 4 
77=3 
77=5 
77 = 13 
77 = 14 
77=25 
77=32 
7 
374 (10) 
340 (35) 
308 (7) 
339 (20) 
321 (7) 
359 
334(5) 
n = 5 
77=3 
77=6 
77=5 
n=8 
n= 1 
77=9 
8 
352 (3) 
335 
307 (9) 
322 (5) 
328 (5) 
348 (25) 
324(6) 
77=4 
n - 1 
77=3 
77=4 
77 = 2 
77=6 
77=4 
9 
389 
394 (42) 
384(17) 
362 
344 (8) 
322 (18) 
n = 1 
77=2 
77=2 
n - 1 
77=6 
77=2 
10 
372 (28) 
361 (16) 
344(7) 
390 
77=2 
77=4 
77=2 
n= 1 
11 
363 
72 = 1 
12 
368 
360 
354 
71 = 1 
77=1 
n= 1 
13 
390 (9) 
77=2 
