How doi take care of a fish from a river?

Question

i just went fishing and caught a fish and i need to know how to make sure it will live cause i need to know what water to put it in and what i should feed him and i need to know

Answer 1

The best water would obviously be the same water he came from. Are you willing to go to the trouble of replacing it with river water every few days? Plus, whatever this species eats, you're not likely to find it at Walmart.

Answer 2

You should put him back because if you put sink water or any other type of water it is not the same as its natural environment and you cant find the food it will normally eta so i suggest to put it back.

Answer 3

put him back or it will die