How fast will these Convict Fry grow?

  • We are currently upgrading MFK. thanks! -neo
I just found some convict fry in my 90 gallon tank
I dont know what to do, Should I move them or not because there like 30 and i have oscars, red texans and firmouths and more convicts in the tank. I want some or all to survive
If i put them in a seperate tank should i put a heater and filter and should i also put there parents there? When i do seperate them should i feed them if so what?
 
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