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Pomacanthus xanthometopon
''Pomacanthus xanthometopon'' is a ray-finned fish in the family Pomacanthidae found in shallow parts of the Indo-Pacific. It is commonly known as the blueface angelfish or the yellowface angelfish 〔(Pyle, R., Myers, R., Rocha, L.A. & Craig, M.T. 2010. ''Pomacanthus xanthometopon''. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2 ) Retrieved 2012-02-26.〕 because of its striking facial colouration.
==Description==
The yellowface angelfish grows to a maximum length of and is laterally compressed. The mouth is just above the tip of the snout. The fins are large and rounded and are yellow, some edged with blue round the margins. The dorsal fin is set just in front of the caudal region, has a distinctive black eyespot at the base and has 13–14 spines and 16–18 soft rays. The anal fin has 3 spines and 16–18 soft rays. The scales are pale blue edged with yellow giving a reticulated pattern. The face is yellow with a dense network of brilliant blue lines on the bottom half and a plain yellow mask around the eyes. Juveniles are quite differently coloured with 6 vertical white bars separated by pale blue lines and a caudal fin barred in 2 shades of blue. The juveniles change colour gradually after reaching a length of .〔(''Pomacanthus xanthometopon'' Bleeker 1853: Yellowface Angelfish ) Retrieved 2012.02.26.〕 This species can be confused with the queen angelfish (''Holacanthus ciliaris'') or the blue angelfish (''Holacanthus bermudensis''), but both these have a completely blue face and lack the caudal eyespot.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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