peacot eel help

[I LOVE FISH]

Hi i was thinking of getting 1 peackot eel for my 20 gal i was wondering i got big goldies it cant eat so they are good pleco to big 2 bettas,small gourmi,2african clawed frogs,catfish small will it eat those?? and if water cold will it die? if so i can buy a heater. does the water need ph level at 6.7 is that a fact? cuz if i put that stuff in my tank will it effect my other fish.also does it bite cuz when i put my hand in the water to take my filters out to clean it i dont want it to bite me help help help ty

 

[Perky]

20 Gallon is probably too small. It needs a heater and Ph from 6-8. African Clawed Frogs will eat anything that they can fit in their big mouths so I would be afraid of them trying to eat the Eel. Peacock Eels have small mouths. Even full sive I doubt itwould be able to eat any of your fish.