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      Whitecheek Tang
      Whitecheek Tang

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      Reef Keeper

      Registered: July 2003
      Location: Sumner
      Posts: 7,530
      users gallery
      Scientific Name: Acanthurus nigricans
      Common Names: Whitecheek Surgeonfish/Tang. Sometimes labelled as: Powder Brown, Gold Rimmed Tang
      Max. size: 21.3 cm TL (male/unsexed)
      Environment: reef-associated; marine; depth range 1 - 67 m
      Climate: tropical; 21 - 29°C
      Distribution: Eastern Indian Ocean = known only from Cocos-Keeling Islands and Christmas Island. Pacific Ocean = Ryukyu Islands and Great Barrier Reef to the Hawaiian Islands and French Polynesia (excluding Rapa). This species has crossed the Eastern Pacific Barrier to the Revillagigedo Islands, Cocos Island, Galapagos Islands, and the coast of Mexico.
      Morphology: Dorsal spines (total): 9; Dorsal soft rays (total): 28-31; Anal spines: 3; Anal soft rays: 26-28. A horizontally elongate white spot directly below eye. No orange band in outer part of dorsal fin. Caudal peduncle black except for yellow edge of socket and sheath of peduncular spine. Base of pectoral fin black. Gill rakers on anterior row:17-19, on posterior row:18-20.
      Biology: Inhabits hard substrate areas of clear lagoon and seaward reefs from the lower surge zone to at least 67 m and feeds on filamentous algae. A territorial species. Common throughout Micronesia and hybridizes with the rare A. achilles. Size of metamorphosis from the postlarva stage to juvenile is 5.5 to 6 cm
      Aquarium Care: Lots of hiding places for when it feels threatened. Grazes on filamentous microalgae and small fleshy macroalgae. Can be shy at first. One per tank, except in large aquariums. After it is established, some will act aggressively to fish competing for food introduced later on, and other tangs. This species is very similar to A. japonicus (which has a much larger white patch under the eye), but not as hardy.

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      Additional Info
      Rating: ********** 10.00
      Keywords: Whitecheek Tang; Surgeonfish; Powder Brown; Gold rimmed

  1.   Fri May 6, 2005 5:23am Rating: 10.00 

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