The speed of fish can vary depending on species and conditions, but here are ten of the fastest fish known:

1. Sailfish (Istiophorus platypterus) – Capable of reaching speeds up to 68 miles per hour (110 kilometers per hour).
2. Black marlin (Istiompax indica) – Known to swim at speeds up to 82 miles per hour (132 kilometers per hour).
3. Wahoo (Acanthocybium solandri) – Can reach speeds of about 48 miles per hour (77 kilometers per hour).
4. Bonefish (Albula vulpes) – Capable of swimming at speeds of up to 40 miles per hour (64 kilometers per hour).
5. Swordfish (Xiphias gladius) – Known to swim at speeds up to 60 miles per hour (97 kilometers per hour).
6. Yellowfin tuna (Thunnus albacares) – Capable of reaching speeds up to 47 miles per hour (75 kilometers per hour).
7. Bluefin tuna (Thunnus thynnus) – Can swim at speeds of up to 43 miles per hour (69 kilometers per hour).
8. Mako shark (Isurus oxyrinchus) – Known to reach speeds up to 60 miles per hour (97 kilometers per hour).
9. Mahi-mahi (Coryphaena hippurus) – Can swim at speeds of up to 50 miles per hour (80 kilometers per hour).
10. Atlantic salmon (Salmo salar) – Capable of swimming at speeds of up to 30 miles per hour (48 kilometers per hour).

These speeds are approximate and can vary based on various factors such as size, age, and environmental conditions.