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Stegastes leucostictus
''Stegastes leucostictus'' is a species of damselfish found near the sea bed in shallow waters on the western fringes of the Atlantic Ocean. It is commonly known as the beau gregory or beaugregory.〔(''Stegastes leucostictus'' (Castelnau, 1855) ) FishBase. Retrieved 2011-12-26.〕
==Description==
''Stegastes leucostictus'' is a fairly deep-bodied, oval, laterally compressed bony fish, and grows to about long. It is rather variable in colour, but is generally dark blue or brown along the top of the head and the ridge of the back and yellowish on the flanks. The large dorsal fin has 12 spines and 13 to 16 soft rays. The anal fin has two spines and 12 to 14 soft rays. The caudal fin has a shallow fork and the paired pectoral and pelvic fins have no spines. The mouth is set at the tip of the snout.〔
A juvenile ''S. leucostictus'' has blue stripes and spots on its head and a dull blue sheen on the top of the head and the upper part of the front half of the body. It has a large, black eye-spot ringed in blue, centered where the dorsal fin spines join the soft rays. As the juvenile develops, this spot moves upwards onto the fin. Also, a dark spot just above each pectoral fin distinguishes this species from others in the genus.〔(''Stegastes leucostictus'' ) Pomacentridae. Retrieved 2011-12-27.〕
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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