Hazrat Abdullah (may Allah be pleased with him) says that when you shoot an arrow at game and it falls into water, do not eat it, because I fear that perhaps the water has killed it. And if you shoot an arrow at game and it falls from a mountain, do not eat it, because I fear that perhaps its death occurred due to the fall.

It is also narrated in the same way from Hasan.

Hazrat Aamir (may Allah have mercy on him) says that if a person shoots an arrow at game and it disappears from him, and if he finds it fallen in water, or fallen from a mountain, or in a state safe from a beast, then he may eat it.

Hazrat Sha'bi says that if a chicken is slaughtered and it falls into water, then eating it is disliked (makruh).

Ibrahim says that when you catch an animal and it falls into water, do not eat it; and if you shoot it with an arrow and it falls from a mountain, do not eat it either.

Hazrat Mak’hool says that when the hunted animal falls into water, do not eat it.

Hazrat Mak’hool says that when the hunted animal falls into water, do not eat it, and when it falls from a mountain, do not eat it either.

Hazrat Dhahhak says that if you find it in such a state that it has not fallen from a mountain and has not drowned in water, then you may eat it.

Hazrat Qasim says that if a hunter shoots an arrow at prey sitting at a height and it falls down, then if he knows that it died due to his arrow, he may eat it; but if he doubts whether it died from falling down, then he should not eat it.