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Halichoeres orientalis, a New Labrid Fish from Southern Japan and Taiwan

東方海豬魚(Halichoeres orientalis),記南日本及臺灣之一新種隆頭魚

摘要


本文根據採自日本琉球及小笠原諸島的標本描述一新種隆頭魚:東方海豬魚(Halichoeres orientalis)。本種魚亦分布於臺灣及日本的高知縣,本種魚過去曾被誤鑑為飾妝海豬魚(H. ornatissimus Garrett, 1863),它們主要的差別在於東方海豬魚之分布較廣,可達太平洋各處,體色更複雜,鰓耙數較少(16-18,飾妝海豬魚為17-20)。波紋海豬魚(H. cosmetus Randall and Smith)為另種分布於西印度洋的相似種,其背鮨及臀鰭軟條數11,較本種之12為少。

關鍵字

魚類分類 隆頭魚科 海豬魚屬 日本 臺灣

並列摘要


A new species of labrid fish, Halichoeres orientalis, previously misidentified as H. ornatissimus (Garrett), is described from specimens from the Ryukyu Is. and Ogasawara Is., Japan. It is also known from Taiwan and Kochi Prefecture, Japan. It differs from the similar H. ornatissimus, which ranges broadly elsewhere in the Pacific, in having a more complexly colored body and lower gill-raker counts (16-18, vs. 17-20 for ornatissimus). H. cosmetus Randall and Smith of the western Indian Ocean, also a related species, has 11 instead of 12 dorsal and anal soft rays.

並列關鍵字

Fish taxonomy Labridae Halichoeres Japan Taiwan

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