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Teleostei > Cyprinodontiformes (Rivulines, killifishes and live bearers) 鱂形目 (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) 花鱂科 (Poeciliids) > Poeciliinae
Etymology: Poecilia:Greek, poikilos = with a lot of colours (Ref. 45335). More on author: Lesueur.
North America: Cape Fear drainage in North Carolina, USA to Veracruz, Mexico. Introduced to many countries. Several countries report adverse ecological impact after introduction. Gulf of Mexico (Ref. 26938). 北美洲: 在美國北卡羅萊那州到墨西哥非拉克斯州的費爾岬流域。 引進了許多國家。 引入後的一些國家報告不利的生態衝擊。 墨西哥灣.(參考文獻 26938)
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm6.7, range 5 - 9.5 cm Max length : 15.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); 10.0 cm TL (female); common length : 3.4 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
The large sail-like dorsal fin of the male is the most distinctive characteristic of this fish; coloration can vary from green, gray to jet black; speckled forms also common (Ref. 44091). Body shape (shape guide): fusiform / normal. 雄魚的大帆狀背鰭是這一個魚的最特殊特性; 顏色能從綠色、灰色到墨黑色改變; 有斑點的型式也普遍.(參考文獻 44091)
Adults are found in still or gently flowing warm water of small creeks and drains (Ref. 44894). They occur in ponds, lakes, sloughs, and quiet, often vegetated, backwaters and pools of streams (Ref. 5723) and also in coastal waters (Ref. 7251). Abundant in tidal ditches and brackish canals. They feed mainly on algae (Refs. 7251; 44091), also consumes animal material: rotifers, small crustaceans (such as copepods and ostracods) and aquatic insects (Ref. 79012). Migratory behaviour is undetermined (Ref. 126106).
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
