Flame Angelfish

I am working on getting a 125 gallon reef tank, but I was told that flame angels will eat the coral. I decided to stay away from it even though it is my favorite fish. Since I really want one, would it be possible to keep it by itself in a 20 gallon I have set up. Or does it need bigger? I was referred here from r/reeftank on reddit with this question
My flame never bothers any corals but is semi aggressive to other fish. 20 would due for a small one but ultimately you will need to upsize. I have zoas paly xenia softies frogspawn hammer few acros btas.
 
Welcome to Reef2Reef!
Have one in my 100gal and haven't seen him bother any corals but definitely a bit aggressive toward other fishes.
One of the most colorful fish in my tank.
 

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But others who are thinking about getting flame angel are still reading the replies :) I’m thinking about trying one :)
Good fish. Great appetite, color and disposition.
 
Good fish. Great appetite, color and disposition.
I almost bought one from LFS today for $120, but figured I should do more research, and maybe get flame hawkfish instead if I decide the angel is too risky for my corals. Glad to hear more feedback though! What % of them do you think are coral disturbers if you have any idea? Less than 50%?
 
To answer your original question, 20 gal is too small for a Flame Angel

I do keep a harem of 5 in my 320 and pair in my 65 without much problem. Keep them well fed and tolerate a little picking is all you need. Mine never kill any of my coral but they may keep PE if SPS a little less. But like you I love them.
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I’m afraid not. They swim a lot and are grazers.

I have a coral beauty in a 5’ 110 gallon tank and it covers it all fast.

I would recommend a minimum 4’ tank.

I would also recommend you go for it and put it in your display!

I like that you put a length measurement on this. So many tanks and sizes, gallons are not always the same. I have a large, tall tank, that's 4', wide x 6' tall, so this info helped me!
 

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