This is one of those few times when "aggressive" might be a better term than defensive. The OBT probably sensed the motion from the mister and pounced on what it thought was food. I've seen many of my spiders make that mistake. I take it as an indication that they're hungry, and follow up the spray with a cricket. They almost always pounce just as hungrily on the "real" cricket.Anyway my obt jumped into the water bowl when I was filling it up with a mister. Very very fast and defensive.