No, the blue marlin is not the fastest swimmer in the world. The fastest swimmer is the sailfish.
im not sure but i think the record for the fastest bear swimmer is a polar bear
No the bottlenose dolphin is not the fastest swimmer out of the dolphins the orca dolphin is the fastest dolphin out of all the dolphins.
Batovin was the fastest olympic swimmer before Michael Phelps
a swimmer bird has moved 10:55 seconds at the AGE OF 2 IT IS ONE OF THE FASTEST BIRD OUT OF ALL OF THEM
he goes 13mph
its a gentoo penguin