Question

why do we put fish in the pond or water tankl answer fast it is very urgent ​

Answer 1

Answer:

Surface fish are fish which search feed at the pond surface and not on the bottom. Therefore you see these fish species swim better, moreover they do not make a mess of your pond. However, they need additional protection against a threatening calamity like a hungry heron or cat.

Answer 2

It's because fish will die in the absence of water as fish takes oxygen dissolved in water for breathing.