Nice analogy. The spiritual fish is free to leap out of the water and glimpse a greater reality.
There should also be a bowl for the fish that is caught up in scientism and materialism.
What is "scientism"?
“Scientism is the promotion of science as the best or only objective means by which society should determine normative and epistemological values.”
Wikipedia
And the goldfish should be wearing blinders so it can't see outside.