"Aquariums aren't allowed to pay to get animals from other aquariums as it encourages poaching. So there is a barter system in place where they swap animals. A New England aquarium traded a dozen penguins for 800 mackerel and their basic unit of trade is the jellyfish"
#45 There may be many of them, but there was one in Madison, WI back in the 80’s.
I've been to the one in Milwaukee. Didn't know there was one in Madison as well.