because it is a fish that swims under water and they are called fish!
A person can very well swim in water. To be precise, a person can learn to do that.
A school of fish.
Swimming is something when a person swims in a body of water.
A frog swims in water, rather than glides.
a otter swims deeply under water and swims fast through obstacles and tight and narrow spaces to confuse its predator
A sponge swims by squirting water out through a tube
A sponge swims by squirting water out through a tube
swims in the open water
it swims.
I am not sure of the name, But I've heard them called 'water turkey'
a gold fish swims in a fish tank or the sea.It Swims I The Water And Eats Fish Food