Lavender Tang

Lavender Tang

Acanthurus nigrofuscus


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Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 120 gallons
Max Size: 8 inches
The Lavender Tang, Acanthurus nigrofuscus, also known as the Brown Surgeonfish, has a disk shaped body, very similar looking to other Acanthurus species.  Adult coloration varies from a brown to a light grayish brown featuring a lavender color on the fins. When stressed or  displaying aggression, its entire dorsal fin and upper back lighten in color, sometimes becoming noticeably yellow. Also featuring blackish brown lips, its pale pectoral fins are narrowly edged in black, and at times, the anal fin is narrowly edged with white, with a crescent shaped caudal fin. On each side of the caudal peduncle is a single spine or "scalpel" used for defense or dominance, hence the Surgeonfish reference. The spine is folded down into a groove that is circled in black when not in use. Juveniles are brown to bluish black and have orange scribbles on the head that break up into spots as they mature.

The Lavender Tang  requires a tank with a moderate to heavy flow, creating currents to swim in. Being very active during the day, they require a large tank with plenty of open room to swim about while also providing plenty of live rocks and or Corals providing places to hide if frightened, as well as to sleep in at night. Lush natural algae growth in the tank is suggested in order for the Tang to be able to graze upon in between meals. 



Beautiful Tang. Swims very fast but a little shy. If you walk by the aquarium it swims and hides in a cave.The Small fish does not have the color like the picture. mostly brown and a little orange on tail fin. Can't wait until it starts getting the lavender tones to it.


Reviewed by: Susan on Aug. 1, 2016

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