Whitemargin Unicornfish and Similar Species
Naso annulatus
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Open the appSeveral fish can be confused with Whitemargin Unicornfish. Here are the key differences.
Species often confused with {name}
Humpback Unicornfish
Naso brachycentron
Key differences: N. brachycentron has a shorter, broader horn that is more hump-like, and its caudal fin lacks the distinct white margin of N. annulatus. It also typically has a more pronounced dorsal hump.
Orangespine Unicornfish
Naso lituratus
Key differences: N. lituratus lacks a prominent horn on its forehead, instead having a slight bump. It is characterized by bright orange scalpel-like spines on the caudal peduncle and a yellow dorsal fin with a black margin.
Bluespine Unicornfish
Naso unicornis
Key differences: N. unicornis also possesses a horn, but it is generally shorter and more conical than that of N. annulatus. Its caudal fin typically has a blue margin and often develops long filaments from the tips of the lobes, which are less common or pronounced in N. annulatus.
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