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頁籤選單縮合
題 名 | A Quick Method to Identify Engraulid Fish Larvae in the Tanshui River Estuary off Northern Taiwan=臺灣北部淡水河口產鯷科仔魚的簡捷鑑別方法 |
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作 者 | 王友慈; 曾萬年; | 書刊名 | Acta Zoologica Taiwanica |
卷 期 | 8:2 1997.07[民86.07] |
頁 次 | 頁103-119 |
分類號 | 388.5 |
關鍵詞 | 鯷科仔魚; 種類鑑定; 計數形質; 形態形質; 色素發育; 淡水河口; Larval engraulid; Species identification; Meristics; Morphometrics; Pigmentation; Tanshui river estuary; |
語 文 | 英文(English) |
中文摘要 | 1992年5月至1993年11月在臺灣北部淡水河口的沿岸海域,共發現五種鯷科魚類的仔魚,分別為:日本鯷 Engraulis japonica Schlegel,刺公鯷 Encrasicholina punctifer Fowler,異葉公鯷 E. heteroloba (Ruppell),島嶼小公魚 Stolephorus insularis Hardenberg,和杜氏稜鯷 Thryssa dussumieri (Valenciennes)。它們的標準體長介於 8?6 mm 之間。在比較過這五種仔魚的計數形質、形態形質和色素發育之後,我們發現在腹面的色素樣式可以做為區別它們的重要特徵。 |
英文摘要 | Five species of larval engraulids, Engraulis japonica Schlegel, Encrasicholina punctifer Fowler, E. heteroloba (Ruppell), Stolephorus insularis Hardenberg, and Thryssa dussumieri (Valenciennes), were found in coastal waters off the Tanshui River Estuary, northern Taiwan during the period from May 1992 through November 1993. Their sizes ranged between 8 and 46 mm SL. Comparing the meristics, morphometrics, and pigmentations of the 5 species, we found pigment patterns on the ventral side of the larvae that can be used as a key character to discriminate these species. Key words: larval engraulid, species identification, meristics, morphometrics, pigmenta-tion, Tanshui River Estuary. |
本系統中英文摘要資訊取自各篇刊載內容。