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背棘 (总数) : 9; 背的软条 (总数) : 10 - 11; 臀棘: 3; 臀鳍软条: 8. Body variable from brown to yellow or green mixed with various color shades or spots. Males develop long filaments on the caudal fin (Ref. 48636). Young with a broad, dark lateral stripe which breaks into dark blotches in adults, the largest above distal pectoral fins. A small dark spot behind eye. Mouth terminal or lower jaw slightly projecting. Caudal fin of terminal males rhomboid, with central rays longest, and dorsalmost caudal-fin ray elongated into a short filament. A small species (reaching about 14 cm) (Ref 9823). Body shape (shape guide): fusiform / normal; Cross section: compressed. 身体可变的从褐色到黄色或绿色混和着各种不同的色彩阴影或斑点。 雄性在尾鳍上发育长的丝状突起。 (参考文献 48636) 幼鱼有断掉变成黑色斑块当成鱼时的一条宽的, 深色的侧面斑纹，最大的上方末梢部的胸鳍。 一种小的在眼后面的深色斑点。 口端位或下颌些微突出。 末期的雄鱼偏菱形的尾鳍, 藉由中央的鳍条长的, 与最上面的尾鳍鳍条延长变成一个短的丝状突起了。 一种小的种 (大约达到 14 公分)(参考文献 9823).
Inhabits outer reef slopes or deep clear lagoons among rubble or clumps of algae; also in seagrass beds (Ref. 1602, 41878, 58302). Often in sheltered estuaries and harbors (Ref. 48636). Benthic and benthopelagic (Ref. 58302). Maximum depth reported taken from Ref. 128797.
