I dint get double fishes in the rainbow road even I get all the abilities

Hello @anus1153, Hearty Welcome to the Candy Soda section of our friendly King Community  

I think we receive only one Fish in the Rainbow Road but not 2!!  Let me check and confirm with you!

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Talk to you soon!  Have a great rest of the day/evening!

It’s an issue and already reported. You can all read about it here
https://community.king.com/en/candy-crush-soda-saga/discussion/263580/new-rainbow-streak-aka-rainbow-road-we-want-your-feedback#latest