penguins don't breathe water, so yeah, as long as the environment fits there needs and food supply is met.
Yes it can survive in freshwater.
Yes penguins have an organ above their eyes that changes seawater to freshwater.
There are freshwater trout. For them it's no problem.
There are no penguins in the Arctic only the Antarctic!
that they have no problem to survive
No.
its fur
none of them
no
they do not
no, as brine shrimp are saltwater animals and will not survive in freshwater.
Yes, salmon can survive in both freshwater and saltwater environments. They are anadromous fish, meaning they are born in freshwater, migrate to the ocean to grow and mature, and then return to freshwater to spawn.