[ Huge men have tiny wives, Byleth, don't you know.

Still, the dried fish does at least catch Piplup's attention for a moment, and though she doesn't quite leave her spot on Dimitri's shoulder, she leans over to chance a whiff at the treat... only to immediately fold her wings (arms?) and turn her face away with an indignant huff: plup! ]

Oh, you don't... like fish? [ A dejected sigh, as he turns back to Byleth. ] I deeply apologize for troubling you again, but I don't suppose you carry some other type of food? Although, at this point I'm unsure as to whatever else may appease it-- [ PECK!! ] --I thought a penguin would love some fish?

[ Maybe they only like fresh fish...? If the creature (peck!) is even actually a penguin, to begin with... ]