Our fishes should stay in their environment that actually is polluted,overfished,often ignored.
Fishes in the tank suffer.I find this not sustainable.
I don't know if there's a statistic about the energy used worldwide to maintain aquariums and the global depletion in biodiversity and the release of alien species caused by fishes owners.
While aquariums hobby proliferates the original environment of fishes,essential for the earth and human as food provider is in serious decline.
BlueVoice.org - Saving Dolphins and Whales, Protecting the Oceans
EarthNews » Archive » One-third of reef-building corals close to extinction, scientists say
So continue to watch your little tank while the ecosystems all around are destructed.
Zoos, aquariums miss wave of economic stimulus - Chicago Tribune
Did they ever saved coral reefs?
Actually I would not sugget a visit to an aquarium.