Fins and gills or webbed feet.
The land would need to be at least 1 acre and it would need to have shelter for the animal and a food and water supply.
water and horse food and a shelter
no if the horse comes up to breathe from above the water than no
Horses need gills and\or webbed feet so they can breath under water and move.
Sea horses live underwater and need the right conditions temperature water condition and currents to live properly.
They generally live on farms or grassland.
To live on the moon you would need allot of air in a spacesuits. You would need construction to build a house. You would also need food and water. You would need to keep warm. You would need things to do and some company. this is how you would live on the moon.
it would take a long time even if you are on a horse they can and will get tiered they will need to drink some water and stop for a brake.
It would definitely need water to drink atleast.
every thing needs water to live with out it we would die
Platypuses do not live in water, but they need water in which to find their food. They can live indefinitely out of the water, but would die within weeks if they could not feed.
Well, it would need water, shelter, and food.