The fastest thing on the ocean would be a speed boat. The fastest fish in the ocean is debatable the sailfish has been clocked at 70 mph, and the black marlin has been clocked at speeds of 80 mph.
In special cases certain fish may swim faster or slower, and who can say if those fish that were recorded were swimming their fastest. One thing is for sure, the fastest fish in the ocean, is definitely in the Istiophoridae (billfish) family.
killer whale
The Peregrine Falcon is the fastest creature of the animal kingdom clocked at 389 km/h (242 mph)
The fastest sea creature (so far) is the swordfish. It can reach speeds up to 75mph.
The fastest sea creature in the world is believed to be the sailfish, which can reach speeds of up to 110 kilometres per hour.
A Greyhound is the fastest dog ever. It is also the 4th fastest land creature.
The fastest creature on the planet is the cheetah.
I think the fastest roller-coaster at sea world is manta it is so cool it is my favorite!
A dorado
A Great White shark
Yes it is.
single unicellular creature
a Caribbean sea creature