Nibiru doesn't exist and neither do its moons.
None of its moons has water.
There are 13 moons on Neptune.
There is no liquid water on the surface; it is far too cold. Pluto is so cold that even nitrogen freezes. The same goes for its moons.
The planet Mercury has no moons as far as we know.
if you have enough light and water
the moons core has no water because there has always not been water any where on the diameter of the moon that is one of the reasons there is not life on they moon
There is evidence to suggest that Uranus' moons may contain water ice in their interiors. However, the surface of these moons is mainly composed of a mixture of water ice and other compounds like rock and carbonaceous materials. Further exploration is needed to confirm the presence of water on Uranus' moons.
No there is not any water on the neptune moons. The only possible way there could be water is if there was an atmosphere but there isn't.
ice
It does not have water now but we think the used to!
Mars has water (Ice) on its polar caps
it has salt water