Naso brevirostris

Spotted Unicornfish

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Spotted Unicornfish

 

Description

Common names: unicornfish (English), pez-unicornio (Espanol)

Naso brevirostris (Cuvier, 1829)


Spotted unicornfish

Body elongate, oval; snout short, almost vertical; adult with long, broad-based tapering horn before eye, (a bump on forehead of juveniles); mouth small, protrusible, low on head; teeth small, conical, tips slightly depressed & either smooth or with multiple small points; dorsal fin VI, 27-29; anal II, 27-29; pectoral 16-17 rays; pelvics I, 3; 2 pairs of cutting keels on plates on narrow tail base; tail fin edge straight to slightly rounded, without filaments; scales very small, rough; lateral line complete.

 

Olive-brown to grey; many small dark spots on head and lower body, many thin dark bars on upper body; tail whitish with dark blotch at base.

 

Geography

Indo-Pacific: Red Sea and East Africa to the Hawaiian, Marquesan and Ducie islands, north to southern Japan, south to Lord Howe Island.

Ecosystem

Habitat: reefs and rocky shores; juveniles in sheltered habitats; adults in mid-water around exposed reef fronts.

Depth: 0-45 m; juveniles usually 2-20 m; adults usually 5-30 m.
 

Conservation

Not evaluated / Listed

 

Threats

Not evaluated / Listed

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