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Tangs or Acanthurus
triostegus are members of the
This prisoner has a rather
extensive habitat. Natural breeding grounds are the coral reefs systems
throughout all of Micronesia,
south of Australia
to Lord Howe Island and east all the way to Panama.
A subspecies of this fish, sandvicensis,
is prevalent along the coastlines of the Hawaiian Islands.
Most convicts sold in the US
are imported from Hawaii.
are a medium sized fish.
They grow to a maximum adult length of 7 inches. They have the narrow
shaped bodies common to tangs. This fish is whitish silver or yellow in
Their name is derived from the zebra-like vertical striping on their
This striping resembles an old prison uniform from the chain gang era.
tangs are not generally
considered aggressive, the convict is the most peace loving of the
will make a wonderful addition to a community tank provided it is
with equally docile fish. They are very active swimmers and will add
movement and visual interest to any home aquarium. Convicts are reef
tanks that contain anchored animal as opposed to plant life. They may,
nibble on soft coral on rare occasions. This is a schooling species. In
they commonly school by the thousands. Multiples can be kept in an
without fear of territorial behavior. Many tangs demonstrate a
aggression toward similar species. Convicts may be bullied by other
the confines of an aquarium. Aggressive tendencies can be lessened by
established school of convicts in an aquarium prior to the introduction
another tang. Convicts require a minimum tanks size of 75 gallons.
will naturally need a larger aquarium.
is a hardy somewhat disease
resistant fish. They will readily adapt to aquarium life. They carry a
care level and can be kept by aquarist of lesser experience. They
thrive in a
heavily oxygenated environment. Increased oxygen levels can easily be
accomplished by the addition of multiple air stones to an aquarium.
marine animals are oxygen breathers this will not prove in anyway
to the other members of the community.
tangs are surgeonfish. If you
have never owned a surgeonfish you should be aware of a cautionary note
purchasing one. All surgeonfish have razor sharp scale adaptations at
of their caudal fins; hence the name surgeonfish. Convicts have a
retractable set of blades on either side of their body. Extreme caution
be practiced in the handling of this species.
herbivores although they would be more correctly labeled as algaevores.
Although algae have many of the characteristics consistent with the
kingdom (including photosynthesis) they are currently classified in a
unto themselves. They are considered neither plant nor animal. Algae
a multitude of forms; from microscopic unicellular life forms to the
members of the Eukaryote Domain most commonly referred to as seaweed.
inmates in your institution,
all prisoners are in your protective custody. Convicts should be fed
based marine foods with a heavy concentration of algae. An abundance of
rock is mandatory for insure nutrition. Regular supplements of dried
will help your convicts maintain their fit and vigor.
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Saltwater & Marine
Fish Care & Breeding Guide
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