YOU SAID:

If fish could fly then fish would not be fish but birds.

INTO JAPANESE

魚が飛ぶことができれば、魚は魚ではなく鳥になります。

BACK INTO ENGLISH

If a fish can fly, it will be a bird, not a fish.

INTO JAPANESE

魚が飛べるなら、それは魚ではなく鳥になります。

BACK INTO ENGLISH

If a fish can fly, it will be a bird, not a fish.