Related Clues:

• Freshwater catch
• Be finicky
• Be overly picky
• Ornamental pond fish
• Bitch and moan
• Criticize in a petty way
• Koi, for one
• What the nit-picking barber did?
• Ontario lake
• Persistently irritate
• Be overly petty
• Quibble (about)
• Goldfish relative
• Have lots of beefs
• *Nitpick