cgg_67-2 Lower Shelf - One line of traps was set - trap "a" was a floater, trap "d" was at the shelf bottom - traps b & c as well as d had weights on them so they rested on the slope. Trap Depth (ft.) Number Captured Remarks ALL Baited Ia Surface 5 All dead Sanborn? b 12 0 c ~19 1 13 mm (d) 21 13 (incl. 6 males) Observations: Juveniles at so. end of shelf Most fish on bottom shelf. Cannibalism of fish caught in screen of [6B] 1230 hrs. - CO2 (shade) 4.0 ppm pH (shade) 7.8 Temp. AIR (shade) 32.5 °C Surface (shade) 33.5 °C Shelf Bottom (shade) 33.6 °C O2 3.55 O2 saturated 3.8 1300 hrs. - Temp. & O2 taken by placing probe in several different positions and taking readings. For readings on lower shelf, I stood on the upper shelf and placed the probe from that ledge.