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Convict Tang - Acanthurus triostegus - Hawaii Manini - Hawaiian Tang

Convict Tang - Acanthurus triostegus - Hawaii Manini - Hawaiian Tang
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Aquarium suitability:
Care level:
Minimum tank size:
75 Gallon
Maximum size:
7.2 inches
Reef compatibility:
Herbivore, Greens, Pellet, Flake
Manufacturer Name:
Regular Price:
Purchase size:
Small 1" - 2"
Medium 2" - 3"
Large 3" - 4"
Our Price:
You Save:
$35.01 (38.90%)
Stock Code :
 Medium (+$10)
 Large (+$25)

The Convict Tang is a member of the surgeonfishes and is one of the most peaceful of the available tangs.. They can be fairly hardy once acclimated but will not do well in a tank that has not completed the aquarium nitrogen cycle. You will also need highly oxygenated water provided through increased surface agitation or the heavy use of air stones.

The Convict Tangs are nicely colored with a white or yellow body and black vertical stripes. They are frequently found schooling in the ocean and can be kept multiple in the aquarium provided it is large enough. The Convict Tang is one of the more peaceful of the bunch and may get picked on by other tangs that are already in the tank.

They are excellent and active swimmers that add personality and action to the tank. The most important benefit of having these fish is that, in addition to being active swimmers, they are tremendous grazers and algaevores ie good cleaner crew members.

The Convict Tangs are somewhat disease resistant but they still need proper pre-cautions and use a quarantine tank before introducing them into your main tank. Keep them in the hospital tank for two weeks or so and watch for obvious saltwater diseases, like marine ich and make sure they are eating.

Maximum Size: The Convict Tang grows upto 8 inches.

General Size: This fish generally comes in size of 2 to 5 inches.

Minimum Tank Size: A 80 gallons or larger aquarium provides good environment for Convict Tang.

Tank Conditions: The Convict Tangsshould ideally be kept in temperatures between 72 and 78 degrees Fahrenheit. A pH value of 8.1 or 8.4, and a specific gravity of 1.020 to 1.025 should be maintained. In a fish only aquarium, the specific gravity should fall between 1.020 and 1.023.

Habitat: The Convict Tang is found on the coral reefs in Indo-pan-Pacific in East Africa to Panama, north to southern Japan, south to Lord Howe, Rapa and Ducie Islands; throughout Micronesia. Subspecies sandvicensis in the Hawaiian Islands.

Feeding and Diet: Herbivore, provide with a varied diet that includes frozen and flake foods for herbivores as well as dried algae sheets.

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