Alive, or ever to have lived, the blue whale is the largest creature. Larger than the largest dinosaur that we know of, it has a heart the size of a car, a tongue as big as an elephant, and blood vessels large enough that you could swim through them. This is worth watching...http://www.extremescience.com/BlueWhale.htm
Snails are not fish. They are a different type of aquatic creature known as gastropods.
Yes.
An aquatic creature
The aquatic creature that has scales but no fins and is commonly found in bodies of water is a snake.
Amphibians
t was a semi-aquatic creature, formerly known as the brontosaurus. It is believed to have been a land dweller. It is also the largest known dinosaur that ever lived
The Blue Whale is the largest sea creature known to date
bird.It is an aquatic flightless bird.
The largest and heaviest living creature on earth is the blue whale.
Back in prehistoric times, the scorpion was an aquatic creature. Over time, it evolved into a terrestrial species.
A living aquatic creature such as a snail, clam, or mollusk.
an otter, cat fish and a dog fish