I wouldn't get any of the sleeper gobies for a tank as small as a 20 gallon. A watchman goby would be fine.
By the way, sleeper gobies and watchman gobies are not the same. They're in two different genuses.
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Current setups: 1800 gallon koi pond, 10 gallon planted, 150 gallon reef, other FOWLR tanks
Last edited by Scuba Kid; 03-28-2008 at 02:46 PM.
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