Yellowhead Caribbean Jawfish Goby - Opistognathus aurifons - Yellowhead Jawfish Goby

Yellowhead Caribbean Jawfish Goby - Opistognathus aurifons: It is not difficult to see why the Yellowhead Jawfish is one of the more popular Jawfish species kept by advanced hobbyists. These beautiful little fish, with their high levels of activity, interesting behavior, and unique appearances, can make intriguing captives. The Yellow Head Jawfish should be provided with a relatively deep substrate into which they can burrow. They will normally build entire systems of tunnels beneath the floors of their enclosures! To facilitate them in such an endeavor, substrate mixed from sand, smooth stones like gravel, and bits of material like broken shell pieces, should be provided.

The Yellow Head Jawfish will get along well with other fish that will not bully or eat them. Fast moving or rambunctious fish can also stress Yellow Head Jawfish. These fish will defend their territories by opening their mouths very wide as a warning to other fish. They are reef safe and normally do well in reef systems. In fact, some Yellow Head Jawfish will form symbiotic relationships with certain types of shrimp.

The Yellow Head Jawfish have been known to jump from aquariums, so it is important to keep a cover on the aquarium in which it is kept. Because of their tunneling behavior, under gravel filters are normally not preferred for use with Yellow Head Jawfish. They are a light silvery blue toward the front of their bodies, though this color fades into a yellow or creamy color toward the rear of the fish. The head, devoid of scales, is a bright golden yellow color.

The Yellow Head Jawfish can be kept with similar fishes. They also get on well with invertebrates and peaceful fish.

Maximum Size: Most Yellow Head Jawfish grow to three inches (7.5 centimeters) in length.

Tank Conditions: A covered aquarium of about 20 gallons is appropriate for a single Yellow Head Jawfish. The additional ten gallons for each additional Yellow Head Jawfish. Temperature between 75 and 78 degrees Fahrenheit (24 to 26 degrees Celsius) and pH values of 8.3 or 8.4 should be established. Specific gravities between 1.020 and 1.025 are appropriate. In aquariums with invertebrates, the specific gravity must remain between 1.023 and 1.025 for the health of those inhabitants. In other aquariums, specific gravities between 1.020 and 1.023 may be used. Some loose, mixed substrate should be provided to them. Usually two to three inches should be present. Often, three quarters of the mix should be relatively fine material, and the last quarter would be made up of a coarser, larger material.

Habitat: Native to the tropical Atlantic, most Yellow Head Jawfish are collected from the western Atlantic or the Caribbean Ocean.

Feeding and Diet: The Yellow Head Jawfish is a carnivore and likes to eat brine & mysid shrimp and other meaty treats (a few times/day).

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