A New Goby, Rhinogobius Rubromaculatus (Teleostei: Gobiidae), from Taiwan

記臺灣之一新種短吻紅斑吻鰕虎

李信徹(Sin-Che Lee) ； 張羢悌(Jung-Ti Chang)

《Zoological Studies》 35卷1期 (1996/01) Pp. 30-35

摘要

本文記載一種採自臺灣大肚溪之新種短吻紅斑吻鰕虎。本種與同屬他種鰕虎魚間之最大差異在於本種脊椎骨數稍多[27]，全身佈滿紅斑，其在胸鰭基部者排成二斑點列；為固棲河川不洄游外海產卵者，卵粒頗大，為臺灣產同屬鰕虎魚中卵徑最大者。與近緣種R. candidianus間之遺傳相似度頗低[0.682-0.684]，足證本種應為合理之一個獨立種。至於與同屬其他種鰕虎魚間之系統分類關係，文中亦一併加以討論。

關鍵字

川鰕虎屬 ； 分類 ； 短吻紅斑吻鰕虎新種 ； 異構酶變異

並列摘要

A new species of gobiid fish, Rhinogobius rubromaculatus from the rivers of Taiwan is described. This species is distinguished from other members of Rhinogobius by the following criteria: a shorter snout, 27 vertebrae, and red spots on the body, including the fins, with those on the pectoral fin base in 2 transverse rows. This fluviatile species has the largest egg among the Taiwanese Rhinogobius members. A low degree of genetic similarity of 0.682 - 0.684 is estimated between the present species and the closely related R. candidianus within the species complex. The systematic relationships with other congeneric species are also discussed.

並列關鍵字

Species description ； Rhinogobius rubromaculatus n. sp. ； Allozyme variation