it depends on how much they train in the water and if their in good shape
They usually swim at around 7 kilometres per hour but can go as fast as 35 kilometres per hour.
They can swim 5.6 miles per hour underwater.
They can swim up to 30 miles per hour.
They can swim up to 15 miles per hour :)
5 miles per hour
20 miles per hour
Yes it can swim up to 10 kilometers per hour.
Squids swim from 25 to even 40 miles per hour.
1 mile per hour
8 kilometres per hour (5.0 mph) but when feeding or attacking, the average shark can reach speeds upwards of 19 kilometres per hour (12 mph).
A Humpback Whale can swim up to 17 miles per a hour!
The basking shark can swim up to 4-6 miles per hour. They generally do not swim fast unless they are hunting prey.