Well, if you're up for the challenge, a mandarin dragonet is a fun choice. Also, there are a number of gobies that look cool, and for a 55 gallon. For example, neon goby, watchman goby, firefish. I also set up a 55 gal
., and creating a stock list that was cool yet functioned was a challenge, but the end result was a fun, full list.
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