wow you don't normally see squid on display in aquariums because (as I understand it) they tend to be quite nasty towards each other (i.e. cannibalistic) and need large tanks because they are so active.
I'm not sure. As you know I'm not getting around to well these days so if there was an unusually large crowd around a specific exhibit, I just limped past to the next one. I didn't observe them this time.