野生唐鱼在广东的再发现

唐鱼(Tanichthys albonubes Lin)又称白云金丝、白云山鱼，是我国特有的国家二级保护野生动物，在发现时个体数量已属稀少；近代仅分布于广州白云山及附近的山溪中；近20年来，无野外发现该种的报道，被认为野生种群已经灭绝。作者在2003年9月在广州的山溪中发现了该种的野生种群，并对该野生种群的形态、食性、生境、生长和繁殖做了初步研究，分析了致危因素，提出了保育措施。

Rediscovering the Wild Population of White Cloud Mountain Minnows (Tanichthys albonubes Lin) on Guangdong Province

White cloud mountain minnow (Tanichthys albonubes Lin) is an endemic species.It has been listed a second-class state protected animal of China.The species was already on the verge of extinction when LIN Shu-yan first discovered it in 1932 at the Baiyunshan Mountain.Its distribution area is very narrow and only distributed in the mountain brooks of the Baiyunshan Mountain,Huadu City,Longgang in Shenzhen,Hong Kong and the vicinity of Guangzhou in Guangdong Province.It was deeply convinced to extinct in nature because there was not a report of the fish in the wild state since 1980.In September 2003,its population in wild state was discovered in a mountain puddle where spring well up and slow-move on the vicinity of Guangzhou.It likes to stay in clear shallow water with thick growth of weeds.Some basic studies have been done to wild T.albonubes on the morphologic characteristic,feed habits,habitat,growth and reproduction,and factors of endangerment and protect.