The Barometer was up this morning but it had taken a nose dive. I have two Aquariums set up - a 30 Gal in the shed with a pound of shiners and a 5 gal in the dining room to remind me to feed those in the shed -- it has been an Education for me watching what the shiners are doing with the changes of air pressure... When the Barometer is low ,, unplug the filter where the water becomes still, The shiners group together tightly hugging the bottom barely moving a fin with some laying on the bottom.. when the Pressure is higher the fish are several inches off the bottom and active