IF YOU COULD HAVE ONE FISH WHICH WOULD IT BE?

I think it would do better in a tank like that than a 200 gallon reef with high flow and 30+ other fish.
Okay exactly what I thought. From what I’ve heard of CBB better off out of the aquarium trade
 
For a tank of that size, and since it’s going to be a frag tank, maybe choose something to help eat algae. A Starry Blenny, maybe? If you’re more worried about pests than algae, a Halichoeres wrasse or a Six-Line (I’m saying this because you only want one fish in there). Halichoeres need sand. Six-Lines don’t. IMO you could do two. A Starry Blenny and a Yellow Coris Wrasse or some other kind of smaller Halichoeres. This way you’ll have some protection against both algae and pests.
 
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Wartskin or Painted Angler /frogfish

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For a tank of that size, and since it’s going to be a frag tank, maybe choose something to help eat algae. A Starry Blenny, maybe? If you’re more worried about pests than algae, a Halichoeres wrasse or a Six-Line (I’m saying this because you only want one fish in there). Halichoeres need sand. Six-Lines don’t. IMO you could do two. A Starry Blenny and a Yellow Coris Wrasse or some other kind of smaller Halichoeres. This way you’ll have some protection against both algae and pests.
it won’t be a frag tank just a regular tank with some coral and that one fish! thanks for the input
 
I think too large and too active for a 20 gallon tank. They get to 8 inches tops and are very active swimmers. Also, not the easiest to find one that’s healthy and feeding as far as I know.
 

WHAT’S THE HARDEST PART OF REEFING TO EXPLAIN TO A NON-REEFER?

  • Why a tiny coral frag can cost that much

    Votes: 5 20.0%
  • Why I spend time testing and adjusting water

    Votes: 5 20.0%
  • Why the fish I want might not fit my tank

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  • Why I have buckets, tubing, and salt around the house

    Votes: 1 4.0%
  • Why corals are living animals, not decorations

    Votes: 7 28.0%
  • How much time and attention a reef takes

    Votes: 8 32.0%
  • The difference between freshwater and saltwater creatures

    Votes: 1 4.0%
  • I’ve stopped trying to explain

    Votes: 10 40.0%
  • Other (Post in the comments)

    Votes: 0 0.0%
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