广东淡水鱼类的分布特点与区系分析

即将出版的《广东省淡水鱼类志》一书是由华南师范大学、暨南大学、珠江水产研究所、上海水产大学和湛江水产学院有关人员合编而成,共记述362种鱼,其中纯淡水鱼为207种。本文仅就该书207种淡水鱼,对广东省淡水鱼类的分布特点和区系作一简略分析与讨论。

Freshwater Fish-Fauna of the Guangdong Province

There are 207 species freshwater fish in the Guangdong Province. Among them, there are 114 species of Cyprinidae, 21 species of Gastromyzonidae and Homalopteraidae, 13 species of Cobitidae, 20 species of Cat-fishes, others are the other species of freshwater fishes. There are no unique family in Guangdong, but it has unique genera, there are: Tanichthys, Hainania, Pleisomyzon. Unique species in Guangdong, are: Tanichthys alonubes, Aphyocypris lini, Microphysogobio labeoides, Noemacheilus rarus, Liniparhomaloptera obtusirostris, Vanmanenia xinyiensis, Crossotoma pauciquama, Pseudogastromyzon changtingensis tunpeiensis, P. peristitus, P. myseri, P. lianjiangensis, P. laticeps, Lseudobagrus trilineatus, Glytothrax pallozoum, Odontobutis haifengensis, Gobiopterus macrolepis, Rasbora cephalotaenia steineri, Parazacco spilurus fasciatus, Puntius paucimaculatus, Acrossocheilus ikedei, A. iridescens iridescens, Tor (Forlifer) brevifilis hainanensis, Sinilabeo diseognathoides discognathoides, Garra pingi hainanensis Sarcocheilichthys nigripinnis hainanensis, Squalidus minor, Microphysogobio kachekensis, Sauragobio Immacutus, Plesisomyzon baotingensis, Vanmanensia hainanensis, Cranoglanis bouderius mutiradiatus, Eleotris acanthopoma hainanensis, Ctenogobio cerviosquamus, Stiophodon mutisqamus. Freshwater fishes in Guangdong originted in the early Tertiary. Mori(1936) took the Nanling Mountain Range, the dividing the two rivers(Chang Jiang and Zhujiang River), as the demarcation line between Palaearctc Region and Oriental Region and Li Sizhong (1981) shared this viewpoint. We consider that the Qinling Mountain Range should be the demarcation line between Horarctic Region and Oriental Region in East Asia.