Celestia had certainly not seen how much those of Saiyan blood could pack away in a sitting, or else she wouldn't even dare call herself a big eater. "It certainly isn't my place to disapprove of you eating fish, but I couldn't handle it, I'm afraid." Though after a moment, she made a slight gesture with one hoof. "Well, likely I could handle it were I to take a different shape, but I confess that after spending my life as an herbivore, I am not in a hurry to break from that habit."