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Scarus psittacus, Common parrotfish : fisheries, aquarium
Teleostei > Eupercaria/misc (Various families in series Eupercaria) 鱸形目 (Various families in series Eupercaria) > Labridae (Wrasses) 隆頭魚科 (Wrasses) > Scarinae
Etymology: Scarus:Greek, skaros = a fish described by anciente writers as a parrot fish; 1601 (Ref. 45335). More on author: Forsskål.
Indo-Pacific: Red Sea south to Sodwana Bay, South Africa (Ref. 5490) and east to the Hawaiian, Marquesan, and Tuamoto islands, north to southern Japan, south to Shark Bay, Western Australia and Lord Howe Island. 印度-太平洋: 紅海南至南非的索德瓦納灣 (參考文獻 5490) 而且東至夏威夷，馬貴斯群島與 Tuamoto 島, 北至日本南部, 南至鯊魚灣，西澳大利亞與羅得豪島。
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm12.6, range 11 - 14.8 cm Max length : 43.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 125599); 最大體重: 1.8 kg (Ref. 125599); 最大年齡: 5 年 (Ref. 13619)
背棘 (總數) : 9; 背的軟條 (總數) : 10; 臀棘: 3; 臀鰭軟條: 9. This species is distinguished by the following characters: median predorsal scales 4; 2 scale rows on cheek, 1(5-7), 2(4-7); pectoral-fin rays 13-15 (usually 14); female usually 1 conical tooth on side of upper dental plate, terminal male with single tooth on side of lower dental plate, lips largely covering dental plates; caudal fin slightly emarginate in small female to deeply emarginate in large TP male. Colour of male green to pale brownish with salmon pink or bluish scale margins, a lavender-grey snout, bluish to lavender caudal fin and the nuptial male with a brilliant yellow body; female overall reddish brown to grey, usually pale snout (Ref. 90102). Body shape (shape guide): fusiform / normal; Cross section: compressed. 最初的階段非常近似 S. globiceps 與 S. rivulatus 。 可能是不同在腹的側邊上根據鱗片列與鱗片的數字。
Inhabit reef flats and lagoon and seaward reefs to at least 25 m depth (Ref. 1602). Found over corals (Ref. 5213, 58652). Benthopelagic (Ref. 58302). Initial-phase fish stage usually form small feeding schools (Ref. 2334). Graze on benthic algae (Ref. 3488). Secrete a mucus cocoon (Ref. 1602).
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
