it depends on the person
Sometimes they swim half a mile deep.
it depends on how deep, they usually can barley swim in deep water with a person on their back unless they are just going though a kind of deep river but they aren't really swimming. With or wit out someone not very fast at all.
Carp swim an average of between 20 to 30 feet deep but have been known to swim as deep as 50 feet. They basically will go as deep as needed to get to their food.
Sharks can swim on the surface of the ocean as well as deep as 6000 ft.
Its better to swim in the deep water but if you have a child its safe to swim in the shallow water.
they swim in deep cold water that no other penguin can swim in
Whales swim about 1mm deep into the dark dark public swimming pool
the shark can swim 10000m deep in the water
70092
yes
people that swim deep down in the ocean