|See Talk:Naso annulatus for individual experiences with this species, Naso annulatus. Feel free to add your own personal experiences.|
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- Whitemargin Unicornfish
Brown / dull olive in colour that becomes paler underneath. There are white margins on the pectoral fins. N. annulatus has a large protruding horn growing from its head.
There are two other species with a protruding horn, but this is the largest. Sometimes confused with N. brevirostris.
Anything that lives in symbiosis, parasitic or opportunistically with it.
This fish is completely unsuited to captive conditions except in large public aquaria due to its size.
Requires regular feedings of macro algae and large zooplankton. In the wild various algae have been recorded as food items for adults, including Caulerpa, Codium, Dictyota and Jania. Gelatinous zooplankton also features prominently in their diet.
Unless stunted, should reach 80% of its maximum size in the first few years of its life.
N. annulatus is subject to the same parasites /diseases that affect other saltwater fish
Juveniles may enter the trade at a modest size and become available in shops. If an aquarist is uncertain regarding identification, best to avoid making the purchase.
Does it have any fish that it should not be housed with?
Does it have coral that it is not compatible with?
Is it compatible with other invertebrates such as molluscs, crustaceans and echinoderms?
How it reproduces, how suitable it is to breeding or captive propagation, techniques on how to etc.
Indo Pacific: East Africa through to Hawaii & Marquesan Islands through to southern Japan and down to Lord Howe Island .
Some additional notes on it that don't fit in the above sections.
- Unicorns: More Than a Myth in Reef Aquariums; The Genus Naso by Henry Schultz - Reefkeeping Magazine
- Naso annulatus - FishBase
- (http://www.fishbase.org): Froese, R., Pauly, D. Fish Base, World Wide Web electronic publication, 2008, Retrieved: 10 March 2011.
- (http://www.reefkeeping.com/issues/2005-07/hcs3/index.php): Schultz, H., Unicorns: More Than a Myth in Reef Aquariums; The Genus Naso, Reefkeeping Magazine, 4(6), 2005.