The Opistognathus aurifons grows up to 4 inches.  These fish generally will come to you between 2½ to 4½ inches;  The Yellowhead Caribbean Jawfish / Goby prefers a tank of at least 20 gallons with plenty of places to hide & swim.  The Opistognathus aurifons is a carnivore and likes to eat brine & mysid shrimp and other meaty treats (a few times/day).  The Yellowhead Caribbean Jawfish / Goby is a low maintenance fish.  The Yellowhead Caribbean Jawfish / Goby may act semi-aggressively toward other fish.  Able to breed.  Keep water quality high (SG 1.020 - 1.025, pH 8.1 - 8.4, Temp. 72 - 78° F).  the Caribbean.  Gobies may sometimes attempt jump out. Needs places to burrow. Prefer presence of substrate. Tends to be aggressive. Please inquire abou the availability of this animal before purchasing as it is usually only available seasonally.

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