Related Clues:

• Trout or tuna
• Dig (around)
• Artichoke's anchor
• 66-Across, e.g
• Rays, e.g
• Edible part of a carrot or radish
• Angle; trawl
• Vegetable variety
• Beet, e.g
• Pull for a team
• Part of the Sci-Fi's hypothesis produced by the group in school
• Potential drain obstruction
• Use the items found at the ends of the answers to 20-, 31-, 47- and 56-Across
• You'll need 26 across to do this to drop a line
• Shout for grub