Redescription of Gobius gastrospilos Bleeker, 1853 with Comments on Four Newly Recorded Species of Brackish Gobies from Taiwan

A re-examination of the holotype of Gobius gastrospilos Bleeker, 1853 confirmed thatthis species belongs to the genus Pseudogobius Popta, 1922. The detailed redescription of Pseudogobius gastrospilos (Bleeker, 1853) would be provided in this paper. Furthermore, a series of field surveys of the gobioid fauna in brackish habitats of Taiwan revealed and summarized the following four newly recorded gobiid species: Pseudogobius gastrospilos (Bleeker, 1853), Mugilogobius chulae (Smith, 1932), Mugilogobius mertoni (Weber, 1911) and Mugilogobius myxodermus (Herre, 1935). The diagnosis of these newly recorded species of Taiwan would be also provided herein.