no never because it will cause these bad eye infections like your eyes will become ( its kinda gross) like bubbly so yeah i would recommend NEVER
No, your body does not absorb salt water from the ocean when you swim in it.
salt water
Salt water has a slightly higher density, so it will be a little quicker to swim in fresh water.
They live in salt water They live in salt water
Because there is salt in sea water and salt makes you float better so is easier to swim.
they can
you cant
for a simple answer,Yes
There is no effect.
Rinse them in clean water
yes if not they will get sick
They swim and are popular in salt water aquariums.