| 100% | REMORA | 6 | Fish that attaches itself to a host |
| 70% | REMORA | 6 | Fish that can attach itself to a boat |
| 69% | REMORA | 6 | Fish that may attach itself to a 68-Across |
| 68% | REMORA | 6 | Fish that attaches itself to sharks |
| 60% | BARNACLE | 8 | Hard-shelled creature that attaches itself to the bottom of a boat |
| 57% | BARNACLE | 8 | A crustacean that attaches itself solidly to rocks |
| 53% | BARNACLE | 8 | Crustacean that attaches itself to ships |
| 53% | REMORA | 6 | Suckerfish that attaches itself to sharks |
| 52% | LIMPET | 6 | Marine snail that attaches itself to rocks |
| 50% | REMORA | 6 | Slender fish that attaches to large fish |
| 47% | BOLT | 4 | Fastener that attaches to a nut |
| 47% | SOLE | 4 | Fish that ought to go well with a cobbler? |
| 47% | SLIPNSLIDE | 10 | Backyard toy that attaches to a hose |
| 46% | BOBBER | 6 | Buoyant device attached to a fishing line that you would need for a day of fishing |
| 46% | BRACKET | 7 | Fitting that attaches a television to a wall |
| 46% | SLIPNSLIDE | 10 | Outdoor toy that attaches to a garden hose |
| 46% | BAITANDSWITCH | 13 | Fishing lure attached to a rod? |
| 45% | AIRHOSE | 7 | Tube that attaches to a diving helmet: 2 wds. |
| 45% | PETIOLE | 7 | Stalk that attaches a leaf blade to the stem |
| 45% | PARADOX | 7 | A statement that seems to contradict itself |
| 44% | TENDON | 6 | Band of inelastic tissue that attaches a muscle to a bone |
| 44% | ROD | 3 | Fishing ___ (equipment to which a fishing line is attached) |
| 44% | FIN | 3 | What a fish uses to steer itself |
| 43% | CARP | 4 | Fish family that a goldfish belongs to (rhymes with "tarp") |
| 43% | META | 4 | Like a crossword clue that refers to itself |
| 43% | AUTOPILOT | 9 | System that allows a plane to fly itself |
| 43% | HOSE | 4 | Tube that a lawn sprinkler's attached to |
| 43% | SKATES | 6 | Fish that belong to the order of Rajiformes that reproduce using a mermaid's purse |
| 43% | REEL | 4 | Spinner attached to a fishing rod |
| 43% | SINKER | 6 | Weight attached to a fishing line |