Honestly this wasn't planned. He just... saw it. The opportunity presented itself before him! It wasn't his fault he had a sharp eye. If he had planned this then Willy wouldn't need to be pressed up to his chest and under his sweater like this.
The young man stopped before the aquarium glass. "The hell..." he muttered as a peculiarly colored jellyfish floated by. He squinted at it and leaned closer to the glass, all the while keeping his arms crossed over his zipped-up sweater and hence over his new little friend.
"Are you sure?" somebody whispered.
"Yeah, one's missing," another answered back in a hushed tone.
--He froze. Of all things some searching zookeepers had ended up nearby - close enough that he could hear them whisper!
Play it cool, keep staring at the water, they'll pass, this will pass, breathe...