Related Clues:

• Quattro + due
• Signora's six
• Uno + due + tre
• Half of dodici
• Blue whale relative
• Half of 'dodici'
• Number of legs on un insetto
• Twice 'tre'
• Twice 40 Down
• Endangered baleen whale
• "Due" three times
• Finback whale
• Whale, to Trygve
• Thrice due
• Six, in Sorrento