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Updated: 06/12/2008  

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Perciformes  -  Chaetodontidae  -  Chaetodon  -  Chaetodon auriga

Chaetodon auriga

All Families(148) All Genera(504) All Species(1287)
white front, yellow rear

bar through eye
front body: thin chevrons
soft D - long filament



Chaetodon auriga Forsskål, 1775

Threadfin butterflyfish

Body a strongly compressed oval disc; mouth small, at end of a short, pointed snout that is 2x eye diameter; teeth long and slender; dorsal fin with XIII, 22-25, front soft rays elongated into a filament; anal fin III, 19-21, 2nd  spine longer than 3rd; rear edges of dorsal and anal fins bluntly angular; tail edge straight to rounded; scales rough, covering dorsal and anal fins as well as head and body; lateral line in a high arch, incomplete (ends under dorsal fin); 33-43 lateral line scales.

Head and front ½ of body white; rear half of body, tail and rear parts of dorsal and anal fins yellow; a black bar from eye down; thin dark lines forming chevron pattern on body; a large black spot on upper soft dorsal.

Size: 23 cm.

Habitat: rocky and coral reefs.

Depth: 1-30 m.

An Indo-Pacific species; as a vagrant in the Galapagos.

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