• Analogy for rush-hour riders
• Canned fish
• Fish in a can
• Fish in a crowded-subway metaphor
• Fish in cans
• Herrings' kin
• Ones closely packed in
• Ones sitting tight?
• Pack-'em-in children's game
• Pilchards
• Popular fish
• Portuguese export
• They get canned
• They're crammed in cans
• Tightly packed fish
• Tiny fishes
• Tom treat