[pahy-luh
t-fish] 
) -fish, (especially referring to two or more kinds or species) -fish⋅es. | 1. | a small, marine fish, Naucrates ductor, often swimming with sharks. |
| 2. | any of various other fishes having similar habits. |
| pilot fish n. A small slender marine fish (Naucrates ductor) that often swims in company with larger fishes, especially sharks and mantas. |