Yes, yes. We're really making progress now!

Instantly coming to mind is Hendrix's "1983, A Merman I Should Turn to Be."

You would need a small exhaust fan to vent the smoke though.

And then a little chute-like device, that when you push a button, would discharge a slightly stunned shiner or fathead into the water right in front of the viewing glass.


Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."