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題名 | Plectranthias sheni, a New Species and P. kamii, a New Record of Anthiine Fishes (Perciformes: Serranidae) from Taiwan=臺灣產一新種花鱸--沈氏花鱸(Plectranthias sheni)(鱸目:鮨科)和新記錄種:黃吻棘花鱸(P. kamii) |
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作者 | 陳正平; 邵廣昭; | 書刊名 | 動物研究學刊 |
卷期 | 41:1 2002.01[民91.01] |
頁次 | 頁63-68 |
分類號 | 387.4 |
關鍵詞 | 新種; 花鱸; 沈氏花鱸; New species; Anthiine fishes; Plectranthias sheni; |
語文 | 英文(English) |
中文摘要 | 本文報導一新種的花鱸屬(genus Plectranthian)魚類,命名為沈氏花鱸(P. sheni),其標本分別於臺灣的大溪(東北部)和中洲(西南部)的漁市場採獲。此種魚的主要特徵有:側線鱗列數32-33,側線上鱗列數4 1/2,頰部鱗5列,第三背鰭棘最長,和體側具二列斑點帶。植種魚在臺灣常被誤鑑為黃吻棘花鱸(P. kamii)或擬棘花鱸(P. anthioides),本種魚與黃吻棘花鱸的區別在具有較少的側線鱗列數(32-33比36-38),頰部鱗列(5比6)、側線至臀鰭鱗列(12比15-18)和體色。擬棘花鱸有圓形尾(沈氏花鱸為中凹型),較長的腹鰭且達肛門(沈氏花鱸未達肛門),及15根胸鰭鰭條(沈氏花鱸為13條)和有3根未分支鰭條(裊氏花鱸有1根)。此外筆者曘近亦採獲一尾真正的黃吻棘花鱸,故黃吻棘花鱸應為臺灣的記記錄種。本文除描述臺灣產的此一新種及一新記錄種魚類外,文中亦附有它們的彩色標本照及臺灣產此屬所有11種魚類的檢索表。 |
英文摘要 | Plectranthias sheni is described as a new species of anthiine from 4 specimens obtained from fish markets in Taiwan. They were taken by long-line at 2 localities, southwestern and northeastern Taiwan. This species is characterized by having 32-33 lateral line scales, 4 1/2 scale rows above the lateral line 5 oblique rows of scales on the cheek, the 3rd dorsal-fin spine the longest, and 2 longitudinal rows of blackish blotches on the body. This species has often been misidenitified as P. kamii or P. anthioides in Taiwan. It can be separated from P. kamii by having fewer lateral line scales (32-33 vs. 36-38), fewer oblique scale rows on the cheek (5 vs. 6), fewer scale rows below the lateral line to the caudal fin (emarginated vs. round), pelvic fin length (not reaching vs. reaching anus), and number of branched rays (13 vs. 15) and unbranched rays of the pectoral fin (1 vs. 3). A specimen of P. kamii was collected recently by the authors; it represents a new record for Taiwan. In the present paper, we describe this new species and document the new record. Color photos are provided for the new species and P. kamii, and a key to all 11 species of Plectranthias in Taiwan is present. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。