fish in aquarium

My 4 year old fell in love with this fish at the aquarium.

I'm trying to find out what species it is so we can learn more about it.

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    $\begingroup$ Welcome to Bio.SE. Please can u add the location and size of the fish. A clearer image would be appreciated. $\endgroup$
    – Mesentery
    Commented Apr 3, 2017 at 23:17
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    $\begingroup$ You can also go to the aquarium's website (if it was commercial) and look up their fish. $\endgroup$ Commented Apr 3, 2017 at 23:36

1 Answer 1


It looks like a unicornfish (genus Naso), maybe Naso vlamingii, the Bignose Unicornfish. They're Acanthurids, related to surgeonfishes and tangs.

These are mainly found in Indo-Pacific ocean around the depth of 50 mts from surface. Coral reefs are their main habitat and destruction of coral reefs is their current biggest threat alongside trading by fisheries. A good source of information for this species is available here.

A copy of this fish.

Naso vlamingii

Picture credits: UM Rosenstiel School

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    $\begingroup$ Yes, this is the right fish! There were other unicorn fish in the tank that actually had the "horn." I didn't realize there were other variations. Thank you so much! $\endgroup$ Commented Apr 9, 2017 at 3:48

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