A New Synaphobranchid Eel, Dysomma longirostrum (Anguilliformes: Synaphobranchidae), from the Northeastern Coast of Taiwan

臺灣東北部海域的新種合鰓鰻，長吻前肛鰻

陳餘鋆(Yu-Yun Chen) ； 莫顯蕎(Hin-Kiu Mok)

《Zoological Studies》 40卷2期 (2001/04) Pp. 79-83

摘要

本文描述之新種合鰓鰻屬於前肛鰻屬，是以底拖方式在臺灣東北部海域一百至一百五十公尺深處捕獲。其特徵在於有一個特別長的吻和顎（各佔全長的4.6％及8.2％），不具前頷齒，上下頷齒為細長形、呈多列，鋤骨齒有五顆、複合齒，具有管狀的側線孔溝，體色則呈棕色。

關鍵字

合鰓鰻科 ； 長吻前肛鰻 ； 南方澳

並列摘要

A new species of the synaphobranchid eel genus Dysomma is described from the northeastern coast of Taiwan based on 1 specimen collected by bottom trawl at depths from 100 to 150 m. It is characterized as having an exceptionally long snout and jaw (4.6% and 8.2% of total length, respectively), no premaxillary teeth, slender and multiserial teeth on the maxillary and dentary, five large compound teeth on the vomer, a tubelike groove connecting pairs of lateral line pores, and a brownish body color.

並列關鍵字

Synaphobranchidae ； Dysomma longirostrum n. sp. ； Nanfangao