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lined butterflyfish
The Lined Butterflyfish (''Chaetodon lineolatus'') is a butterflyfish (family Chaetodontidae), one of the largest species in the genus ''Chaetodon''.〔 (2004): ''Coral reef guide – Red Sea''. HarperCollins, London. ISBN 0-00-715986-2〕 They have a wide range from the Red Sea to South Africa and as far east as southern Japan and Hawaii.〔 (): (''Chaetodon lineolatus'' ). Retrieved 2008-SEP-01.〕
Lined butterflyfish may grow up to 30 cm (nearly 12 in) long, which among ''Chaetodon'' is matched only by the Saddle Butterflyfish (''C. ephippium''). They are white in color, with thin black vertical bars which join a thick black band at the base of the tail and dorsal fin. The tail, dorsal, and anal fins are yellow.〔
This uncommon fish is found in pairs or swimming alone, or occasionally in spawning aggregations. It occurs between 2 and 50 m depth, in coral-rich areas of reefs and lagoons. Coral polyps, small anemones, algae and invertebrates make up their diet.〔〔
It belongs to the large subgenus ''Rabdophorus'' which might warrant recognition as a distinct genus. In this group, it seems to be member of a lineage also containing species such as the Spot-naped Butterflyfish (''C. oxycephalus''), or the peculiar Black-wedged Butterflyfish (''C. falcula'') and Pacific Double-saddle Butterflyfish or "False Falcula" (''C. ulietensis''). These four differ wildly in shape, but all have bluish vertical lines on a white body with yellow behind, and black on back and caudal peduncle in addition to the typical eyestripe of ''Chaetodon''. The Blue-cheeked Butterflyfish (''C. semilarvatus'') seems to be a far more basal lineage of ''Rabdophorus'' relative to them, but it also has the tell-tale blue vertical lines.〔 (2007): Molecular phylogenetics of the butterflyfishes (Chaetodontidae): Taxonomy and biogeography of a global coral reef fish family. ''Mol. Phylogenet. Evol.'' 45(1): 50–68. (HTML abstract)〕〔 (2007): Molecular phylogeny of ''Chaetodon'' (Teleostei: Chaetodontidae) in the Indo-West Pacific: evolution in geminate species pairs and species groups. ''Raffles Bulletin of Zoology Supplement'' 14: 77-86. (PDF fulltext )〕
==References==
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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