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| Common names: butterflyfish (English), mariposa (Espanol) |
Chaetodon auriga Forsskål, 1775
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.