Fish police

bait.

Oh dang a wild police! Only seen them in aquariums. How'd you get so lucky?

Submarine?

"Oh golly, it's a big one Jim!"
"Wow Bobby, real it in!"
"Almost there..."
"Wait is that a...?"
"Ahh crap, it's another Coppa. Throw it back."
"Sir do you have a license for thAAAAAaaaaaaaa..."
"Better luck next time."