My wife used to be one of the hosts at teh Camden aquarium where you stand with one of those headset mics in front of the audience and talk to people and divers about the fish; she has a minor in marine biology, and a tattoo of a fish
She just said, with regard to the RAY TANK, "that's pretty stupid"
you sure do seem to have a lot of time on your hands to be on this forum? Do you have a job? Are you a shut-in?