Related Clues:

• Fat-shunning Jack
• Fish that can detect ultrasound
• Cousin of an alewife
• Alewife's relative
• Fat forgoer of rhyme
• The fish in John McPhee's 'The Founding Fish'
• Fish species
• River herring
• Silvery herring
• Atlantic Coast catch
• Lean-eater of rhyme
• Fish of the herring family
• Kin to a herring
• Type of herring
• Jack of nursery rhymes