Yellow Clown Goby (Gobiodon okinawae) perching in coralsNano marine aquarium enthusiasts must be very discerning in their livestock selections to ensure any specimens they choose won’t outgrow their systems. Reaching a maximum size that can best be described as miniscule, the yellow clown goby (Gobiodon okinawae) is a pretty safe bet in this regard. It’s also charming, attractively colored, relatively outgoing and active, and typically very inexpensive to boot. Physical traitsG. okinawae is a uniform canary yellow in coloration. Its general body shape is somewhat similar to that of clownfishes, hence the “clown goby” moniker applied to it and its congeners. Size-wise, this western Pacific species is among the smallest fish available in the hobby, growing no larger than around 1 to 1½ inches.
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