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  • 期刊

New Records of a Paedomorphic Fish, Schindleria praematura (Pisces: Schindleriidae), from Waters of Taiwan

台灣水域辛氏微體魚科早熟辛氏微體魚(Schindleria praematura)之新紀錄

摘要


本研究在共五個年度的八個航次採集紀錄中,發現九尾早熟辛氏微體魚 Schindleria praematura。本報告首次描述在台灣發現的辛氏微體魚科 Schindleriidae 科及早熟型辛氏微體魚 Schindleria praematura。這些標本魚的性腺已成熟,但形態則仍停滯於幼稚魚階段,檢視魚體可發現諸多幼稚魚的特徵,而有幼形遺留的特性。 四尾成熟的雌魚,標準體長範圍11.42-18.95 mm ,卵巢內已經有發育中的卵,標本固定之前體色透明無色素點,體型細長,體表無鱗,腸道直行而不彎曲。三尾成熟的雄魚,標準體長範圍10.28-14.20 mm ,其生殖器的突起明顯且延長,其他身體型態特徵同於雌魚。

並列摘要


This is the first record of the paedomorphic fish, Schindleria praematura (Schindleriidae) from Taiwan. Nine specimens from eight samples colleted from eight cruises were studied. Four females, 11.42 to 18.95 mm SL, were sexually mature with many eggs. Three males, 10.28 to 14.20 mm SL, were also sexually mature with genital papilla extending over the anus. The remaining two specimens were in a young stage at 3.14-7.90 mm SL.

並列關鍵字

Pisces Schindleriidae Paedomorphic

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