What is the fastest ocean mammal?

Answer 1

The sailfish is the fastest fish. It can outswim any other sea animal, and has been clocked up to 68 to 70 miles per hour.
Sailfish and a orca (killer whale)
My reserch shows that the Sailfish is the fastest fish going up to 68 to 70 miles per hour.
The sword fish
sharks & flying fish
Sailfish.

commerson's dolphin

The Mako Shark is the fastest shark @ 95km/h, the fastest fish is the Sailfish @ 110km/h and the Killer Whale (Orca) is the fastest swimming mammal @ 90km/h.
i would say that the fastest sea animal is a sail fish reaching 69 mph

Answer 2

The sailfish (Istiophorus platypterus) is considered the fastest aquatic animal.

Answer 3

Sailfish

The Sailfish is a fish, not a Mammal.

Answer 4

Orca (Orcinus Orca)- timed at 34.5 mph.