Gloria's smelling her fingertips again - it's a standard nervous reaction to things in her world that confuse and baffle. For example: canned money. For example: a species of fish that is not only attracted to symbolic units of wealth but expresses joy upon seeing them in paper form.
She is also confused about the implement Richie is using. It will snap off as soon as he hooks something, but perhaps that's his plan. Toy with them. Make them feel a sudden surge of panic - then let them get away with a roll of dollars, feeling as if they not only survived but were the victor.
Then when they've eaten the bait and completely missed the small timed explosive inside and then BOOM and guts come SHOOTING out of the water HA HA HA who's the winner now, Dollar Fish? WHO?